Elementary Trigonometry 1953 C V Durell and R M Wright

Handbook of Mathematical, Scientific, and Engineering Formulas, Tables, by Ogden

CRC Standard Mathematical Tables 18th Edition Student 1970

CRC Standard Mathematical Tables 17th Edition

Advanced Trigonometry by C V Durell: New

Rainbow Science Curriculum - Paperback, by Durell C. Dobbins; - Acceptable

Mathematical Tables From Handbook Of Chemistry And Physics by Charles D. Hodgman

CRC Standard Mathematical Tables 25th Edition