- Calculus
- The Borgias
- Machiavelli
- Kansas City history
- Statistics
- Building electronic toys
- Vegetarian cooking
- Pre-colonial American history
- Mansa Musa
- Antoni Gaudi
- Growing fruits and veg
- WWI aviation
- Alan Turing
- Sewing and tailoring
- Making hats
jul 23 2013 ∞
dec 11 2013 +
dec 11 2013 +