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@@ -55,6 +55,13 @@ preloaded is available at [[assignment 3 evaluator]].
 
 (8 Nov) Lecture notes for [[Week8]].
 
+>	Topics: Reader Monad for Jacobson's Variable-Free Semantics
+
+(15 Nov, 22 Nov) Lecture notes for [[Week9]]; [[Assignment7]]. Everyone auditing in the class is encouraged to do this assignment, or at least work through the substantial "hints".
+
+>	Topics: Mutable Variables; Passing by Reference
+
+
 [[Upcoming topics]]
 
 [[Advanced Topics]]