An essay on the foundations of geometry von Russell, Bertrand 1872-1970

Basic concepts of geometry von Prenowitz, Walter 1906-

The foundations of geometry and the non-Euclidean plane von Martin, George Edward 1932-

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Hilbert's fourth problem von Pogorelov, A. V. (Alekseæi Vasil§evich) 1919-

The Foundations of geometry and the non-euclidean plane. von Martin, George E.

Basic mathematical concepts von Wren, Frank Lynwood 1894-

Projective and Euclidean geometry von Fishback, W. T. (William Thompson)

Projective and Euclidean geometry von Fishback, W. T. (William Thompson)

Projective and Euclidean geometry von Fishback, W. T. (William Thompson)

Projective and Euclidean geometry von Fishback, William Thompson