| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Challenging Problems in Algebra | 978-0-486-69148-0 | 1996 | Alfred S. Posamentier |
| Challenging Problems in Geometry | 978-0-486-69154-1 | 1996 | " |
| The Contest Problem Book II: Annual High School Mathematics Exams : 017 | 978-0-88385-617-8 | 1966 | |
| The Contest Problem Book III: Annual High School Contest 1966-1972, Of the Mathematical Association of America, Society of Actuaries, Mu Alpha Theta | 978-0-88385-625-3 | 1973 | James M. Earl |
| The Contest Problem Book No 1: Annual High School Mathematics Examinations 1950-1960 (New Mathematical Lib) | 978-0-88385-605-5 | 1961 | |
C.S. · C. T. · Charles S. · Charles T. · T.S.