1-3 Proceedings of the Symposium on the History of Modern Mathematics, 1988. Signed essays with key references focusing on mathematics of the 19th and early 20th centuries. 1988 Encyclopedic dictionary of mathematics, 2nd ed. Mathematical Society of Japan Signed articles with key references. Handbooks CRC Standard Mathematical Tables, 27th ed.
Emphasis is on results and techniques.
Signed chapters with bibliographies. 1983 Handbook of combinatorics, vols 1-2 Presents overview of basic methods and paradigms. Coverage includes important results and current trends. 1995 Handbook of mathematics, 3rd ed. Bronshtein, I.N. and K.A. Semendyayev Concise treatment with equations, tables and figures.