Categories for the Working Mathematician
Saunders Mac Lane
Hacker Monthly #43
Netizens Media
Hacker Monthly (43)
Lauren Ipsum
Carlos Bueno
Hacker Monthly January 2011
Hacker Monthly (8)
Open Data Structures (in pseudocode)
Pat Morin
Open Data Structures (in Java)
Open Data Structures (in C++)
Algorithms
Jeff Erickson
The Imposter's Handbook
Rob Conery