Philosophy

EINSTEIN, ALBERT.

Leipzig, Ambrosius Barth, 1916.

HILBERT, D. und W. ACKERMANN.

Berlin, Göttingen..., Springer-Verlag, 1959.

HILBERT, D. und W. ACKERMANN.

Berlin, Springer, 1938.

REICHENBACH, HANS.

Leiden, Sijthoff, 1935.

[JACOBI, FRIEDRICH HEINRICH]. & BRUNO, MENDELSSOHN, ETC.

Breslau, Gottl. Löwe, 1789,

POPPER, K.R.

Amsterdam, 1968 + (Vienna, 1968).

LINSKY, LEONARD.

Illinois, University of Illinois Press, 1952.

MIELI, ALDO.

Firenze, Libr. della Voce, 1916.

SMULLYAN, RAYMOND M.

(No place), The Association for Symbolic Logic, Inc., 1957.

KAILA, EINO.

Helsinki, Druckerei- A.G., 1936.

FREGE, G.

Leipzig, B. G. Teubner, 1903.

FREGE, G.

Breslau, Wilhelm Koebner, 1884

BASTHOLM, CHRISTIAN.

København., Gyldendal, 1794.

POPPER, K. R.

Edinburgh, Thomas Nelson & Sons, 1954.

SCHOFIELD, ROBERT E.

Princeton, University Press, 1970.

SLONIMSKI, LUDWIG (+) MAX LORENZ (+) RICHARD CALWER (+) HANS BLUM (+) VIKTOR CATHREIN

Berlin, Johannes Räde, 1897; Leipzig, Wigand's Verlag, 1896; Leipzig, Wigand's Verlag, 1896; München, Bed'sche, 1893; Freiburg, Herder'sche, 1890.

HILBERT, DAVID. - METAMATHEMATICS.

Berlin, Julius Springer, 1923.

ROUSSEAU, J.J. (JEAN JACQUES).

Amsterdam, Marc Michel Ray, 1764.