+* The Untyped Lambda Calculus
+
+ * [[Introduction to the Lambda Calculus|topics/week2 lambda intro]]
+ * [[Advanced notes on the Lambda Calculus|topics/week2 lambda advanced]]
+ * Encoding data types in the Lambda Calculus
+ * [[Booleans|topics/week2 encodings#booleans]]
+ * [[Tuples|topics/week2 encodings#tuples]]
+ * [[Lists|topics/week2 encodings#lists]], v1 (as right-folds)
+ * [[Numbers|topics/week2 encodings#numbers]], v1 ("Church's encoding")
+ * [[Arithmetic with Church numbers|topics/week3_church_arithmetic]]
+ * [[How to get the `tail` of v1 lists?|topics/week3 lists#tails]]
+ * [[Some other list encodings|topics/week3 lists#other-lists]]
+ * [[Reduction Strategies and Normal Forms|topics/week3_evaluation_order]]
+ * [[Fixed point combinators|topics/week4_fixed_point_combinators]]
+ * [[More about fixed point combinators|topics/week4_more_about_fixed_point_combinators]]
+
+* [[Combinatory Logic|topics/week3 combinatory logic]]
+
+* Typed Lambda Calculi
+
+ * [[Simply-typed lambda calculus|topics/week5 simply typed]] (will be updated)
+ * [[System F|topics/week5 system F]] (will be updated)
+ * Types in OCaml and Haskell (will be posted soon)