Table of Contents

Partial algebras — an introductory survey.- Duality theory on ten dollars a day.- Algebraic ordered sets and their generalizations.- A Boolean formalization of predicate calculus.- Lectures on free lattices.- A survey of Boolean algebras with operators.- Essentially minimal groupoids.- Functional and affine completeness and arithmetical varieties.- Reading, drawing, and order.- Hyperidentities.- Abstract clone theory.- Now Alouette Knows It All.