Could not include topos theory - contents
This entry is is to record the monograph 3 volumes
Francis Borceux, Handbook of Categorical Algebra
1: Basic Category Theory, gBooks
2: Categories and Structures, gBooks
3: Categories of Sheaves, gBooks
on category theory and topos theory.
A book survey: Bull. London Math. Soc. 28:4, 440-442, doi