| Armstrong, M.A. | Groups and Symmetry | 20 Group theory and generalizations |
| Barut, A. | Theory of Group Representations and Applications | 20 Group theory and generalizations |
| Benson, D.J. | Representations and Cohomology | 20 Group theory and generalizations |
| Brown, Kenneth | Buildings | 20 Group theory and generalizations |
| Burnside, W. | Theory of Groups of Finite Order | 20 Group theory and generalizations |
| Charmichael, Robert | Introduction to the Theory of Groups of Finite Order | 20 Group theory and generalizations |
| Conway, John | The Symmetries of Things | 20 Group theory and generalizations |
| Dickson, L | Linear Groups With an exposition of the Galois Field Theory | 20 Group theory and generalizations |
| Elhamdadi, Mohamed | Quandles: An Introduction to the Algebra of Knots | 20 Group theory and generalizations |
| Feit, Walter | Characters of Finite Groups | 20 Group theory and generalizations |
| Fuchs, Laszlo | Infinite Abelian Groups | 20 Group theory and generalizations |
| Gorenstein, Daniel | Finite Simple Groups | 20 Group theory and generalizations |
| Hall, Marshall | The Theory of Groups | 20 Group theory and generalizations |
| Hargittai, I. | Symmetry 2: Unifying Human Understanding (Part I) | 20 Group theory and generalizations |
| Hayes, Brian | Group Theory in the Bedroom | 20 Group theory and generalizations |
| James, Gordon | Representations and Characters of Groups | 20 Group theory and generalizations |
| Kaplansky, Irving | Infinite Abelian Groups | 20 Group theory and generalizations |
| Kirillov, Aleksandr | Elements of the Theory of Representations | 20 Group theory and generalizations |
| Lallement, Gerard | Semigroups and Combinatorial Applications | 20 Group theory and generalizations |
| Littlewood, Dudley | The Theory of Group Charaters and Matrix Representations | 20 Group theory and generalizations |
| Mackey, G.W. | The Theory of Group Representations | 20 Group theory and generalizations |
| Mackey, G.W. | The Theory of Group Representations (Lecture Notes) | 20 Group theory and generalizations |
| Magnus, Wilhelm | Combinatorial Group Theory: Presentations of Groups in Terms of Generators and Relations | 20 Group theory and generalizations |
| Mathewson, Louis Clark | Elementary Theory of Finite Groups | 20 Group theory and generalizations |
| Neumann, B.H. | Lectures on Topics in the Theory of Infinite Groups | 20 Group theory and generalizations |
| Petrich, Mario | Introduction to Semigroups | 20 Group theory and generalizations |
| Ribenboim, Paulo | Linear Representations of Finite Groups | 20 Group theory and generalizations |
| Sagan, Bruce | The Symmetric Group: Representations, Combinatorial Algorithms, and Symmetric Functions | 20 Group theory and generalizations |
| Serre, J.-P. | Linear Representation of Finite Groups | 20 Group theory and generalizations |
| Springer, T. | Linear Algebraic Groups | 20 Group theory and generalizations |
| Srinivasan, Bhama | Representation of Finite Chevalley Groups | 20 Group theory and generalizations |
| Stewart, Ian | Symmetry: A Very Short Introduction | 20 Group theory and generalizations |
| Varopoulos, N. | Analysis and Geometry of Groups | 20 Group theory and generalizations |
| Vilenkin, N | Special Functions and the Theory of Group Representatinos | 20 Group theory and generalizations |
| de la Harpe, Pierre | Topics in Geometric Group Theory | 20 Group theory and generalizations |
| nan, nan | Proceeding of Symposia in Pure Mathematics | 20 Group theory and generalizations |
| nan, nan | Groups and Universal Algebras | 20 Group theory and generalizations |
| nan, nan | Seminar Notes on Semigroups | 20 Group theory and generalizations |