Astronomy

ZINNER, ERNST.

Berlin, Julius Springer, (1931).

KEPLER, JOHANNES.

München u. Berlin, R. Oldenburg, 1930

EDDINGTON, A.S.

London, Macmillian, 1914.

EDDINGTON, A.S.

Oxford, Clarendon Press, 1927.

CASSINI, JACQUES (CASSINI II).

(Paris, Jean Boudot, 1706).

GYLDÉN, HUGO.

Berlin, Stockholm, Paris, Beijer, 1893.

GYLDÉN, HUGO.

Berlin, Stockholm, Paris, Beijer, 1887.

GYLDÉN, HUGO.

(Berlin, Stockholm, Paris, Beijer, 1882.)

ALEXANDER, A.F. O' D.

N.Y., Dover Publications, (1980).

EDDINGTON, A.S.

Oxford, Clarendon Press, (1929).

EDDINGTON, A.S.

Oxford, Clarendon Press, 1927.

CHANDRASEKHAR, SUBRAMANYAN.

Lancaster, American Physical Society, 1943.

EULER, LEONHARD.

(Berlin, Haude et Spener, 1748).

BESSEL, FRIEDRICH WILHELM - HERSCHEL, J.F.W.

London, George Barclay, 1847.

HERSCHEL, WILLIAM.

(London, Bulwer and Co., 1806).

MILNE, E.A. (EDWARD ARTHUR). - THE "COSMOLOGICAL PRINCIPLE".

Oxford, The Clarendon Press, 1935.

HERSCHEL, WILLIAM.

(London, Bulwer and Co., 1806).

FRIEDMANN, ALEXANDER (+) ALBERT EINSTEIN.

Berlin, Julius Springer, 1922-24.