diff --git a/book/style.css b/book/style.css
index 7a1c2a2..7d919df 100644
--- a/book/style.css
+++ b/book/style.css
@@ -62,6 +62,18 @@ main.main-content,main.titlepage,div.footnotes{
   padding:1rem;
 }
 
+.sectionHead a.permalink {
+  opacity: 0.5;
+  text-decoration: none;
+  font-size: 0.75rem;
+  vertical-align: top;
+  line-height: 0.8rem;
+  margin-left: 0.25rem;
+  padding-top: 0.2rem;
+  color: black;
+  display: inline-block;
+}
+
 p.indent, p.noindent{
   text-indent: 0;
   text-align: justify;
diff --git a/website/assets/script.js b/website/assets/script.js
index 69c4906..e7127e5 100644
--- a/website/assets/script.js
+++ b/website/assets/script.js
@@ -8,4 +8,14 @@ document.addEventListener('DOMContentLoaded', function() {
       });
     }
   });
+
+  // Add permalinks to headers
+  var heads = document.querySelectorAll('.sectionHead');
+  heads.forEach(function (head) {
+    let permalink = document.createElement("a");
+    permalink.href = '#' + head.id;
+    permalink.classList.add('permalink');
+    permalink.append('🔗');
+    head.append(permalink);
+  });
 });