BURKHARDT

The Real World and Mathematics

By BURKHARDT

The Correspondence of Charles Darwin: Volume 27, 1879

By Darwin, Charles, BURKHARDT, Frederick, Secord, James A., The Editors of the Darwin Correspondence Project

Calculator Mathematics: Bk. 1 (Calculator Mathematics S.)

By Tyler, Ken, BURKHARDT, Hugh

A glossary of computing terms

By BURKHARDT, Coulson, Croft, Evans, Jaworski

The Correspondence of Charles Darwin: Volume 1, 1821–1836

By Darwin, Charles, BURKHARDT, Frederick, Smith, Sydney, Kohn, David, Montgomery, WILLIAM

Tchrs' (Bk. 6) (Calculator Mathematics S.)

By Tyler, Ken, BURKHARDT, Hugh

Calculator Mathematics: Bk. 2 (Calculator Mathematics S.)

By Tyler, Ken, BURKHARDT, Hugh

Calculator Mathematics: Bk. 5

By Tyler, Ken, BURKHARDT, Hugh

Calculator Mathematics: Bk. 6 (Calculator Mathematics S.)

By Tyler, Ken, BURKHARDT, Hugh