Mathematics

ACKERMANN, WILHELM.

Berlin, Julius Springer, 1925.

KOWALEWSKI, GERHARD.

Lpz., 1933.

TSCHUPROW (CHUPROW), A.A.

Leipzig, Berlin, B.G. Teubner, 1925.

CZUBER, EMANUEL.

Wien, Seidel & Sohn, 1921.

LAMBERT, JOHANN HEINRICH [NON-EUCLIDEAN GEOMETRY].

(Berlin, Haude & Spener, 1770).

RUSSELL, BERTRAND.

London, George Allen & Unwin, (1950).

LORENSEN, PAUL.

Berlin, Springer, 1955.

BELL, E.T.

N.Y., McGraw-Hill, 1940.

SCHOLZ, HEINRICH & GISBERT HASENJAEGER.

Berlin & Göttingen & Heidelberg, Springer-Verlag, 1961.

BETH, E. W.

Paris, Gauthier-Villards, 1950.

BETH, E. W.

Paris, Gauthier-Villards, 1955.

WANG, HAO. & ROBERT NAUGHTON.

Paris, Gauthier-Villars, 1953.

DENBOW, CARL H. AND VICTOR GOEDICKE.

N.Y., Harper & Row, (1959).

KOWALEWSKI, GERHARD.

Leipzig, 1933 (Lithoprinted by Edwards Brothers, 1944).

POINCARÉ, HENRI.

(Berlin, Uppsala & Stockholm, Paris, Almqvist & Wiksell, 1897).

OTTO, J.C.F.

Berlin, Jonqs Verlagsbuchhandlung, 1833.

HARKNESS, JAMES and FRANK MORLEY.

London a. N.Y., Macmillan and Co., 1893.

JACOBI, C.G.J.

(Berlin, G. Reimer, 1829).