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

Basic concepts of geometry nork Prenowitz, Walter 1906-

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

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

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

Basic mathematical concepts nork Wren, Frank Lynwood 1894-

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

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

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

Projective and Euclidean geometry nork Fishback, William Thompson