Number theory-- Algebra-- Mathematics 15 Criticism and interpretation 9 Mathematics 8 Geometry-- Mathematics 5 Algebra-- Mathematics 4 Characters of groups 4 Finite groups 4 American literature 3 History 3 Topology-- Mathematics 3 African Americans in literature 2 Algebra, Abstract 2 Approximations -- expansions-- Mathematics 2 Biography-Mathematicians 2 Class field theory 2 Determinants -- matrices-- Algebra-- Mathematics 2 General Topology-- Point set topology 2 Integrals, Generalized 2 Projective geometry-- Mathematics 2 Abstract algebra-- Mathematics 1 Academic libraries 1 Administrative law 1 African American poets 1 Agricultural pollution-united states 1 Algebraic logic-- Boolean algebra-- Set algebra 1 Analysis-- Mathematics 1 Animal rights-Juvenile literature 1 Aquatic liming 1 Assisted suicide-Juvenile literature 1 Athletes-Drug use 1