@@ -57,4 +57,8 @@
- [Simon's Algorithm](https://en.wikipedia.org/wiki/Simon%27s_problem)
- [Galois Connection](https://en.wikipedia.org/wiki/Galois_connection)
- [Groebner Basis](https://en.wikipedia.org/wiki/Gr%C3%B6bner_basis)
-- [Nim](https://en.wikipedia.org/wiki/Nim)
+- [Nim](https://en.wikipedia.org/wiki/Nim)
+
+## Reference Book Backlog
+- Bartlett's Familiar Quotations
+- Donald Knuth's TEXbook
