diff --git a/years/1983/143144.htm b/years/1983/143144.htm
index ba189e4d5..86b9114ae 100644
--- a/years/1983/143144.htm
+++ b/years/1983/143144.htm
@@ -6,6 +6,7 @@
+Cambridge Expo 1983
Cambridge Underground 1984 pp 8-11
143 Guidebook Description
diff --git a/years/1983/41svy.htm b/years/1983/41svy.htm
index def8caf9c..70727f61a 100644
--- a/years/1983/41svy.htm
+++ b/years/1983/41svy.htm
@@ -6,6 +6,8 @@
+Cambridge Expo 1983
+
Cambridge Underground 1984 pp 35-36
Reality is an illusion caused by alcohol deficiency
diff --git a/years/1983/exp142.htm b/years/1983/exp142.htm
index c2bac1b78..a52a90b0f 100644
--- a/years/1983/exp142.htm
+++ b/years/1983/exp142.htm
@@ -6,6 +6,8 @@
+Cambridge Expo 1983
+
Cambridge Underground 1984 pp 7-8
Exploration and Survey of 1623/142
diff --git a/years/1983/list.htm b/years/1983/list.htm
index 719cdd4c1..ecd5e44e1 100644
--- a/years/1983/list.htm
+++ b/years/1983/list.htm
@@ -6,6 +6,8 @@
+Cambridge Expo 1984
+
Cambridge Underground 1984 pp 5-6
Summary of Caves in the Totes Gebirge 1983
diff --git a/years/1983/wolf1.htm b/years/1983/wolf1.htm
index f41f6ce80..79982eae4 100644
--- a/years/1983/wolf1.htm
+++ b/years/1983/wolf1.htm
@@ -6,6 +6,8 @@
+Cambridge Expo 1984
+
Cambridge Underground 1984 pp 5-6
Wolfehöhle - Act I