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.

CHANDRASEKHAR, SUBRAMANYAN.

Lancaster, American Physical Society, 1943.

EULER, LEONHARD.

(Berlin, Haude et Spener, 1748).

ALEXANDER, A.F. O' D.

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

EDDINGTON, A.S.

Oxford, Clarendon Press, (1929).

UREY, HAROLD C.

London, Oxford University Press, 1952.

EDDINGTON, A.S.

Oxford, Clarendon Press, 1927.

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

London, George Barclay, 1847.

HERSCHEL, WILLIAM.

(London, Bulwer and Co., 1806).

CASSINI, JACQUES (CASSINI II).

(Paris, Jean Boudot, 1706).

FRIEDMANN, ALEXANDER (+) ALBERT EINSTEIN.

Berlin, Julius Springer, 1922-24.

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

Oxford, The Clarendon Press, 1935.

HERSCHEL, WILLIAM.

(London, Bulwer and Co., 1806).

GYLDÉN, HUGO.

Berlin, Stockholm, Paris, Beijer, 1893.

GYLDÉN, HUGO.

Berlin, Stockholm, Paris, Beijer, 1887.