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- Language: English
- Year: 1910

- Author: Polybius., Fridericus Hultsch, Evelyn S Shuckburgh
- Language: English
- Year: 1889

- Author: Henry Sidgwick
- Language: English
- Year: 1897

- Author: Bernard Mallet
- Language: English
- Year: 1913

- Author: John W. Wheeler-Bennett
- Language: English
- Year: 1938

- Author: Kamalashankar P. Trivedi
- Language: English
- Year: 1926

Examples in physics
djvu
- Author: Daniel Evan Jones
- Language: English
- Year: 1936

Aircraft in War
pdf
- Author: J. M. Spaight
- Language: English
- Year: 1914

- Author: William Stanley Jevons (author) Robert Adamson Harriet A. Jevons (editors)
- Language: English
- Year: 1890