diff --git a/gatsby-node.js b/gatsby-node.js
index 0886a79..427167d 100644
--- a/gatsby-node.js
+++ b/gatsby-node.js
@@ -48,13 +48,21 @@ exports.createSchemaCustomization = ({ actions, schema }) => {
         """
         type MaterialsAndMethods {
         dataset: MarkdownRemark @link(by: "frontmatter.name")
-        protocols: [ProtocolItem!]!
+        protocols: [Protocol!]!
         cellLines: [CellLineItem!]!
         software: [SoftwareTool!]!
         }
 
-        type ProtocolItem {
-        protocol: String!
+        """
+        The front end and CMS assume that you enter EITHER a url OR a file which
+        this type doesn't strictly enforce. Directly entering data into markdown
+        with both fields populated may lead to unexpected behavior.
+        """
+        type Protocol @dontInfer {
+            type: String!
+            name: String!
+            url: String
+            file: File @fileByRelativePath
         }
 
         type CellLineItem {
diff --git a/src/components/MaterialsAndMethods.tsx b/src/components/MaterialsAndMethods.tsx
index 8955e3e..0091bcc 100644
--- a/src/components/MaterialsAndMethods.tsx
+++ b/src/components/MaterialsAndMethods.tsx
@@ -20,7 +20,7 @@ export const MaterialsAndMethodsComponent: React.FC<MaterialsAndMethods> = ({
             return cellLine.name;
         }
         return (
-            <a href={cellLine.link} target="_blank" rel="noreferrer">
+            <a href={cellLine.link} target="_blank" rel="noreferrer noopener">
                 {cellLine.name}
             </a>
         );
@@ -34,7 +34,7 @@ export const MaterialsAndMethodsComponent: React.FC<MaterialsAndMethods> = ({
         const title = link ? (
             <p>
                 <strong>{`Name: `}</strong>
-                <a href={link} target="_blank" rel="noreferrer">
+                <a href={link} target="_blank" rel="noreferrer noopener">
                     {name}
                 </a>
             </p>
@@ -72,7 +72,7 @@ export const MaterialsAndMethodsComponent: React.FC<MaterialsAndMethods> = ({
                             <a
                                 href={datasetFm.link}
                                 target="_blank"
-                                rel="noreferrer"
+                                rel="noreferrer noopener"
                             >
                                 {datasetFm.name}
                             </a>
@@ -98,17 +98,23 @@ export const MaterialsAndMethodsComponent: React.FC<MaterialsAndMethods> = ({
             label: "Protocols",
             children: (
                 <ul>
-                    {protocols.map((item, index) => (
-                        <li key={index}>
-                            <a
-                                href={item.protocol}
-                                target="_blank"
-                                rel="noreferrer"
-                            >
-                                {item.protocol.split("/").pop()}
-                            </a>
-                        </li>
-                    ))}
+                    {protocols.map((item, index) => {
+                        const href =
+                            item.type === "protocolLink"
+                                ? item.url
+                                : item.file?.publicURL;
+                        return (
+                            <li key={index}>
+                                <a
+                                    href={href ?? "#"}
+                                    target="_blank"
+                                    rel="noreferrer noopener"
+                                >
+                                    {item.name}
+                                </a>
+                            </li>
+                        );
+                    })}
                 </ul>
             ),
         });
diff --git a/src/pages/ideas/dev-example.md b/src/pages/ideas/dev-example.md
index cfddcfd..f4bfbc9 100644
--- a/src/pages/ideas/dev-example.md
+++ b/src/pages/ideas/dev-example.md
@@ -27,8 +27,12 @@ preliminaryFindings:
 materialsAndMethods:
   dataset: Released EMT dataset
   protocols:
-    # - protocol: /protocols/emt_junction_segmentation.pdf
-    # - protocol: /protocols/emt_tracking_qc.pdf
+    - type: protocolLink
+      name: Culture And Freezing Methods
+      url: https://cell-catalog.allencell.org/pdf/AICS_WTC_cell_culture_protocol.pdf
+    - type: protocolFile
+      name: Cell culture protocol
+      file: /img/cell_culture_protocol.pdf
   cellLines:
     - name: AICS-42
       link: https://allencell.org/cell-catalog
diff --git a/src/templates/idea-post.tsx b/src/templates/idea-post.tsx
index 52f4a25..236a518 100644
--- a/src/templates/idea-post.tsx
+++ b/src/templates/idea-post.tsx
@@ -144,7 +144,12 @@ export const pageQuery = graphql`
                         }
                     }
                     protocols {
-                        protocol
+                        type
+                        name
+                        url
+                        file {
+                            publicURL
+                        }
                     }
                     cellLines {
                         name
diff --git a/static/admin/config.yml b/static/admin/config.yml
index ef13b89..6422879 100644
--- a/static/admin/config.yml
+++ b/static/admin/config.yml
@@ -127,12 +127,45 @@ collections:
                             widget: "list",
                             required: false,
                             hint: "List any relevant protocols used in this analysis.",
-                            field:
-                                {
-                                    label: "Protocol",
-                                    name: "protocol",
-                                    widget: "file",
-                                },
+                            types:
+                                [
+                                    {
+                                        label: "Protocol link",
+                                        name: "protocolLink",
+                                        widget: "object",
+                                        fields:
+                                            [
+                                                {
+                                                    label: "Name",
+                                                    name: "name",
+                                                    widget: "string",
+                                                },
+                                                {
+                                                    label: "URL",
+                                                    name: "url",
+                                                    widget: "string",
+                                                },
+                                            ],
+                                    },
+                                    {
+                                        label: "Protocol file",
+                                        name: "protocolFile",
+                                        widget: "object",
+                                        fields:
+                                            [
+                                                {
+                                                    label: "Name",
+                                                    name: "name",
+                                                    widget: "string",
+                                                },
+                                                {
+                                                    label: "File",
+                                                    name: "file",
+                                                    widget: "file",
+                                                },
+                                            ],
+                                    },
+                                ],
                         },
                         {
                             label: "Cell lines used",
@@ -173,7 +206,7 @@ collections:
                                         hint: "Optionally provide a custom or supplementary description for how this tool was used in this specific analysis. Leave blank to use the default description.",
                                     },
                                 ],
-                        }
+                        },
                     ],
             }
           - {
@@ -330,7 +363,12 @@ collections:
                 options: ["Public", "In development", "Internal use only"],
                 required: false,
             }
-          - { label: "Publish Date", name: "date", widget: "datetime", required: false }
+          - {
+                label: "Publish Date",
+                name: "date",
+                widget: "datetime",
+                required: false,
+            }
 
     - name: "pages"
       label: "Pages"
diff --git a/static/img/cell_culture_protocol.pdf b/static/img/cell_culture_protocol.pdf
new file mode 100644
index 0000000..cba3575
Binary files /dev/null and b/static/img/cell_culture_protocol.pdf differ