Patterns and Puzzles in Mathematics by Sylvia Horne (1970 Hardcover) very good

Handbook of Tables For Mathematics 4th Edition 1970, Hardcover by CRC Press

The Last Recreations Martin Gardner HC 1997 Math Puzzles Logic

Essentials Of Mathematics; Second Edition. By Russell V. Person. 1960’s-1970’s

More Math Puzzles and Patterns for Kids, Grades 2-4

Introduction To Modern Algebra College Mathematics Series 1964 Hardcover McCoy