diff --git a/src/command/render/pandoc.ts b/src/command/render/pandoc.ts
index 3e6108a310c..d4f03d4f19c 100644
--- a/src/command/render/pandoc.ts
+++ b/src/command/render/pandoc.ts
@@ -202,6 +202,11 @@ import {
 } from "../../core/markdown-pipeline.ts";
 import { getEnv } from "../../../package/src/util/utils.ts";
 import { canonicalizeTitlePostprocessor } from "../../format/html/format-html-title.ts";
+import {
+  BrandFontBunny,
+  BrandFontFile,
+  BrandFontGoogle,
+} from "../../resources/types/schema-types.ts";
 
 // in case we are running multiple pandoc processes
 // we need to make sure we capture all of the trace files
@@ -1359,18 +1364,25 @@ async function resolveExtras(
     const ttf_urls = [], woff_urls: Array<string> = [];
     if (brand?.data.typography) {
       const fonts = brand.data.typography.fonts || [];
-      for (const font of fonts) {
-        if (font.source === "file") {
+      for (const _font of fonts) {
+        // if font lacks a source, we assume google in typst output
+
+        // deno-lint-ignore no-explicit-any
+        const source: string = (_font as any).source ?? "google";
+        if (source === "file") {
+          const font = _font as BrandFontFile;
           for (const file of font.files || []) {
             const path = typeof file === "object" ? file.path : file;
             fontdirs.add(dirname(join(brand.brandDir, path)));
           }
-        } else if (font.source === "bunny") {
+        } else if (source === "bunny") {
+          const font = _font as BrandFontBunny;
           console.log(
             "Font bunny is not yet supported for Typst, skipping",
             font.family,
           );
-        } else if (font.source === "google" /* || font.source === "bunny" */) {
+        } else if (source === "google" /* || font.source === "bunny" */) {
+          const font = _font as BrandFontGoogle;
           let { family, style, weight } = font;
           const parts = [family!];
           if (style) {
@@ -1382,7 +1394,7 @@ async function resolveExtras(
             parts.push(weight.join(","));
           }
           const response = await fetch(
-            `${base_urls[font.source]}?family=${parts.join(":")}`,
+            `${base_urls[source]}?family=${parts.join(":")}`,
           );
           const lines = (await response.text()).split("\n");
           for (const line of lines) {
diff --git a/src/core/sass/brand.ts b/src/core/sass/brand.ts
index 9004b0653a1..23faceae596 100644
--- a/src/core/sass/brand.ts
+++ b/src/core/sass/brand.ts
@@ -18,6 +18,7 @@ import { ProjectContext } from "../../project/types.ts";
 import {
   BrandFont,
   BrandFontBunny,
+  BrandFontCommon,
   BrandFontGoogle,
   BrandFontWeight,
 } from "../../resources/types/schema-types.ts";
@@ -110,7 +111,7 @@ const fontFileFormat = (file: string): string => {
   }
 };
 
-const bunnyFontImportString = (description: BrandFontBunny) => {
+const bunnyFontImportString = (description: BrandFontCommon) => {
   const bunnyName = (name: string) => name.replace(/ /g, "-");
   const bunnyFamily = description.family;
   if (!bunnyFamily) {
@@ -137,7 +138,6 @@ const bunnyFontImportString = (description: BrandFontBunny) => {
   return `@import url('https://fonts.bunny.net/css?family=${
     bunnyName(bunnyFamily)
   }:${weights}&display=${display}');`;
-  // }
 };
 
 const googleFontImportString = (description: BrandFontGoogle) => {
@@ -198,7 +198,7 @@ const brandColorBundle = (
     );
     colorCssVariables.push(
       `  --brand-${colorVar}: ${brand.getColor(colorKey)};`,
-    )
+    );
   }
 
   // Map theme colors directly to Sass variables
@@ -222,7 +222,10 @@ const brandColorBundle = (
   }
   // const colorEntries = Object.keys(brand.color);
   colorVariables.push('// quarto-scss-analysis-annotation { "action": "pop" }');
-  colorCssVariables.push("}", '// quarto-scss-analysis-annotation { "action": "pop" }');
+  colorCssVariables.push(
+    "}",
+    '// quarto-scss-analysis-annotation { "action": "pop" }',
+  );
   const colorBundle: SassBundleLayers = {
     key,
     // dependency: "bootstrap",
@@ -239,13 +242,13 @@ const brandColorBundle = (
 
 const brandBootstrapBundle = (
   brand: Brand,
-  key: string
+  key: string,
 ): SassBundleLayers => {
   // Bootstrap Variables from brand.defaults.bootstrap
-  const brandBootstrap = (brand?.data?.defaults?.bootstrap as unknown as Record<
+  const brandBootstrap = brand?.data?.defaults?.bootstrap as unknown as Record<
     string,
     Record<string, string | boolean | number | null>
-  >);
+  >;
 
   const bsVariables: string[] = [
     "/* Bootstrap variables from _brand.yml */",
@@ -276,7 +279,7 @@ const brandBootstrapBundle = (
     "green",
     "teal",
     "cyan",
-  ]
+  ];
 
   const bsColors: string[] = [
     "/* Bootstrap color variables from _brand.yml */",
@@ -368,6 +371,41 @@ const brandTypographyBundle = (
     return googleFamily;
   };
 
+  const resolveBunnyFontFamily = (
+    font: BrandFont[],
+  ): string | undefined => {
+    let googleFamily = "";
+    for (const _resolvedFont of font) {
+      const resolvedFont =
+        _resolvedFont as (BrandFont | BrandFontGoogle | BrandFontBunny);
+      // Typescript's type checker doesn't understand that it's ok to attempt
+      // to access a property that might not exist on a type when you're
+      // only testing for its existence.
+
+      // deno-lint-ignore no-explicit-any
+      const source = (resolvedFont as any).source;
+      if (source && source !== "bunny") {
+        return undefined;
+      }
+      const thisFamily = resolvedFont.family;
+      if (!thisFamily) {
+        continue;
+      }
+      if (googleFamily === "") {
+        googleFamily = thisFamily;
+      } else if (googleFamily !== thisFamily) {
+        throw new Error(
+          `Inconsistent Google font families found: ${googleFamily} and ${thisFamily}`,
+        );
+      }
+      typographyImports.add(bunnyFontImportString(resolvedFont));
+    }
+    if (googleFamily === "") {
+      return undefined;
+    }
+    return googleFamily;
+  };
+
   type HTMLFontInformation = { [key: string]: unknown };
 
   type FontKind =
@@ -389,7 +427,7 @@ const brandTypographyBundle = (
     const font = getFontFamilies(family);
     const result: HTMLFontInformation = {};
     result.family = resolveGoogleFontFamily(font) ??
-      // resolveBunnyFontFamily(font) ??
+      resolveBunnyFontFamily(font) ??
       // resolveFilesFontFamily(font) ??
       family;
     for (
@@ -566,7 +604,12 @@ export async function brandBootstrapSassBundleLayers(
   nameMap: Record<string, string> = {},
 ): Promise<SassBundleLayers[]> {
   const brand = await project.resolveBrand(fileName);
-  const sassBundles = await brandSassBundleLayers(fileName, project, key, nameMap);
+  const sassBundles = await brandSassBundleLayers(
+    fileName,
+    project,
+    key,
+    nameMap,
+  );
 
   if (brand?.data?.defaults?.bootstrap) {
     const bsBundle = brandBootstrapBundle(brand, key);
diff --git a/src/resources/editor/tools/vs-code.mjs b/src/resources/editor/tools/vs-code.mjs
index 1803bb0daef..bb2d371af3d 100644
--- a/src/resources/editor/tools/vs-code.mjs
+++ b/src/resources/editor/tools/vs-code.mjs
@@ -12301,6 +12301,9 @@ var require_yaml_intelligence_resources = __commonJS({
             },
             {
               ref: "brand-font-system"
+            },
+            {
+              ref: "brand-font-common"
             }
           ]
         },
@@ -21778,6 +21781,7 @@ var require_yaml_intelligence_resources = __commonJS({
         "A link or path to the brand\u2019s dark-colored logo or icon.",
         "Alternative text for the logo, used for accessibility.",
         "Provide definitions and defaults for brand\u2019s logo in various formats\nand sizes.",
+        "A dictionary of named logo resources.",
         "A link or path to the brand\u2019s small-sized logo or icon, or a link or\npath to both the light and dark versions.",
         "A link or path to the brand\u2019s medium-sized logo, or a link or path to\nboth the light and dark versions.",
         "A link or path to the brand\u2019s large- or full-sized logo, or a link or\npath to both the light and dark versions.",
@@ -21801,13 +21805,13 @@ var require_yaml_intelligence_resources = __commonJS({
         "Typography definitions for the brand.",
         "Font files and definitions for the brand.",
         "The base font settings for the brand. These are used as the default\nfor all text.",
-        "Settings for headings",
-        "Settings for monospace text",
-        "Settings for inline code",
-        "Settings for code blocks",
-        "Settings for links",
-        "Typographic options.",
-        "Typographic options without a font size.",
+        "Settings for headings, or a string specifying the font family\nonly.",
+        "Settings for monospace text, or a string specifying the font family\nonly.",
+        "Settings for inline code, or a string specifying the font family\nonly.",
+        "Settings for code blocks, or a string specifying the font family\nonly.",
+        "Settings for links.",
+        "Base typographic options.",
+        "Typographic options for headings.",
         "Typographic options for monospace elements.",
         "Typographic options for inline monospace elements.",
         "Line height",
diff --git a/src/resources/editor/tools/yaml/web-worker.js b/src/resources/editor/tools/yaml/web-worker.js
index 9d90994b941..877fc79c071 100644
--- a/src/resources/editor/tools/yaml/web-worker.js
+++ b/src/resources/editor/tools/yaml/web-worker.js
@@ -12302,6 +12302,9 @@ try {
               },
               {
                 ref: "brand-font-system"
+              },
+              {
+                ref: "brand-font-common"
               }
             ]
           },
@@ -21779,6 +21782,7 @@ try {
           "A link or path to the brand\u2019s dark-colored logo or icon.",
           "Alternative text for the logo, used for accessibility.",
           "Provide definitions and defaults for brand\u2019s logo in various formats\nand sizes.",
+          "A dictionary of named logo resources.",
           "A link or path to the brand\u2019s small-sized logo or icon, or a link or\npath to both the light and dark versions.",
           "A link or path to the brand\u2019s medium-sized logo, or a link or path to\nboth the light and dark versions.",
           "A link or path to the brand\u2019s large- or full-sized logo, or a link or\npath to both the light and dark versions.",
@@ -21802,13 +21806,13 @@ try {
           "Typography definitions for the brand.",
           "Font files and definitions for the brand.",
           "The base font settings for the brand. These are used as the default\nfor all text.",
-          "Settings for headings",
-          "Settings for monospace text",
-          "Settings for inline code",
-          "Settings for code blocks",
-          "Settings for links",
-          "Typographic options.",
-          "Typographic options without a font size.",
+          "Settings for headings, or a string specifying the font family\nonly.",
+          "Settings for monospace text, or a string specifying the font family\nonly.",
+          "Settings for inline code, or a string specifying the font family\nonly.",
+          "Settings for code blocks, or a string specifying the font family\nonly.",
+          "Settings for links.",
+          "Base typographic options.",
+          "Typographic options for headings.",
           "Typographic options for monospace elements.",
           "Typographic options for inline monospace elements.",
           "Line height",
diff --git a/src/resources/editor/tools/yaml/yaml-intelligence-resources.json b/src/resources/editor/tools/yaml/yaml-intelligence-resources.json
index dc93ab848ce..3e8126dd1e6 100644
--- a/src/resources/editor/tools/yaml/yaml-intelligence-resources.json
+++ b/src/resources/editor/tools/yaml/yaml-intelligence-resources.json
@@ -5273,6 +5273,9 @@
         },
         {
           "ref": "brand-font-system"
+        },
+        {
+          "ref": "brand-font-common"
         }
       ]
     },
@@ -14750,6 +14753,7 @@
     "A link or path to the brand’s dark-colored logo or icon.",
     "Alternative text for the logo, used for accessibility.",
     "Provide definitions and defaults for brand’s logo in various formats\nand sizes.",
+    "A dictionary of named logo resources.",
     "A link or path to the brand’s small-sized logo or icon, or a link or\npath to both the light and dark versions.",
     "A link or path to the brand’s medium-sized logo, or a link or path to\nboth the light and dark versions.",
     "A link or path to the brand’s large- or full-sized logo, or a link or\npath to both the light and dark versions.",
@@ -14773,13 +14777,13 @@
     "Typography definitions for the brand.",
     "Font files and definitions for the brand.",
     "The base font settings for the brand. These are used as the default\nfor all text.",
-    "Settings for headings",
-    "Settings for monospace text",
-    "Settings for inline code",
-    "Settings for code blocks",
-    "Settings for links",
-    "Typographic options.",
-    "Typographic options without a font size.",
+    "Settings for headings, or a string specifying the font family\nonly.",
+    "Settings for monospace text, or a string specifying the font family\nonly.",
+    "Settings for inline code, or a string specifying the font family\nonly.",
+    "Settings for code blocks, or a string specifying the font family\nonly.",
+    "Settings for links.",
+    "Base typographic options.",
+    "Typographic options for headings.",
     "Typographic options for monospace elements.",
     "Typographic options for inline monospace elements.",
     "Line height",
diff --git a/src/resources/schema/definitions.yml b/src/resources/schema/definitions.yml
index f57b4212876..3564e722729 100644
--- a/src/resources/schema/definitions.yml
+++ b/src/resources/schema/definitions.yml
@@ -2688,7 +2688,7 @@
         description: Settings for headings, or a string specifying the font family only.
         ref: brand-typography-options-headings
       monospace:
-        description: Settings for monospace text, or a string specifying the font family only. 
+        description: Settings for monospace text, or a string specifying the font family only.
         ref: brand-typography-options-monospace
       monospace-inline:
         description: Settings for inline code, or a string specifying the font family only.
@@ -2697,7 +2697,7 @@
         description: Settings for code blocks, or a string specifying the font family only.
         ref: brand-typography-options-monospace-block
       link:
-        description: Settings for links. 
+        description: Settings for links.
         ref: brand-typography-options-link
 
 - id: brand-typography-options-base
@@ -2811,7 +2811,12 @@
     - ref: brand-font-bunny
     - ref: brand-font-file
     - ref: brand-font-system
-
+    # a font definition missing source information,
+    # from which we will assume a default source
+    #
+    # in Quarto, the default source for typst is `google`
+    # and the default source for html formats is `bunny`
+    - ref: brand-font-common
 - id: brand-font-weight
   description: A font weight.
   enum:
diff --git a/src/resources/schema/json-schemas.json b/src/resources/schema/json-schemas.json
index 19083f5d4b7..71c00c47152 100644
--- a/src/resources/schema/json-schemas.json
+++ b/src/resources/schema/json-schemas.json
@@ -3593,6 +3593,9 @@
         },
         {
           "$ref": "#/$defs/BrandFontSystem"
+        },
+        {
+          "$ref": "#/$defs/BrandFontCommon"
         }
       ]
     },
diff --git a/src/resources/types/schema-types.ts b/src/resources/types/schema-types.ts
index cb0d76d3bee..25af59ee32f 100644
--- a/src/resources/types/schema-types.ts
+++ b/src/resources/types/schema-types.ts
@@ -1405,7 +1405,8 @@ export type BrandFont =
   | BrandFontGoogle
   | BrandFontBunny
   | BrandFontFile
-  | BrandFontSystem; /* Font files and definitions for the brand. */
+  | BrandFontSystem
+  | BrandFontCommon; /* Font files and definitions for the brand. */
 
 export type BrandFontWeight =
   | 100