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@@ -55,14 +55,27 @@ preloaded is available at [[assignment 3 evaluator]].
 
 (8 Nov) Lecture notes for [[Week8]].
 
-(15 Nov) Lecture notes are coming; [[Assignment7]] is here. Everyone auditing in the class is encouraged to do this assignment, or at least work through the substantial "hints".
+>	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
+
+(22 Nov) Lecture notes for [[Week10]]
+
+>	Topics: Calculator improvements, including mutation
+
+(30 Nov) Lecture notes for Week11
+
+(6 Dec) Lecture notes for Week12
+
+(13 Dec) Lecture notes for Week13
 
 [[Upcoming topics]]
 
 [[Advanced Topics]]
 
->	Topics: Version 4 lists, Monads in Category Theory
+>	Topics: Version 4 lists, Monads in Category Theory, Calculator Improvements
 
 ##Scheme and OCaml##