diff --git a/index.md b/index.md
index 8e8b8c7..271adc5 100644
--- a/index.md
+++ b/index.md
@@ -60,7 +60,7 @@ Vice-chair (Phasmida) IUCN Grasshopper Specialist Group
 
 Editor _Phasmid Studies_
 
-## Teaching
+## [Teaching](/teaching)
 
 MSc Taxonomy, Biodiversity & Evolution (Imperial College and Natural History Museum)
 
diff --git a/teaching/IC-AcousticKeys/index.md b/teaching/IC-AcousticKeys/index.md
new file mode 100644
index 0000000..f491bca
--- /dev/null
+++ b/teaching/IC-AcousticKeys/index.md
@@ -0,0 +1,3 @@
+# Acoustic Keys and Identification
+
+Resources for this lecture are at [learn.acousti.ca](https://learn.acousti.ca)
diff --git a/teaching/UCL-UrbanNoise/index.md b/teaching/UCL-UrbanNoise/index.md
index 46d9f87..6104271 100644
--- a/teaching/UCL-UrbanNoise/index.md
+++ b/teaching/UCL-UrbanNoise/index.md
@@ -1,3 +1,7 @@
 # UCL Urban Noise
 
 [Slides](/teaching/UCL-UrbanNoise/UrbanNoise.pptx)
+
+# Imperial College Acoustic Keys and Identification
+
+[Resources](/teaching/IC-AcousticKeys)