1 Table of Contents: “... -- Additive categories -- Spectral Category and dual Construction -- Auslander-Bridger transpose, Auslander...”

2 Table of Contents: “... categories -- Categorical commutator theory -- Notes on point-free topology -- Non-associative algebra...”

3 Table of Contents: “... classes -- Categories of mixed and torsion-free finite rank abelian groups -- Reflexive representations...”