Galois Theories of Fields and Rings

A Differential Approach to Geometry

Algebraic Approach to Geometry

Handbook of Categorical Algebra

An Axiomatic Approach to Geometry

Geometric Trilogy

Axiomatic Approach to Geometry

Mal'Cev, Protomodular, Homological and Semi-abelian Categories

Handbook of Categorical Algebra (Encyclopedia of Mathematics and its Applications)

Categorical Algebra and Its Applications

Categorical Algebra and its Applications: Proceedings of a Conference, Held in Louvain-la-Neuve, Belgium, July 26 - August 1, 1987 (Lecture Notes in Mathematics)