Astronomy

EULER, LEONHARD.

(Berlin, Haude et Spener, 1748).

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.

ALEXANDER, A.F. O' D.

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

EDDINGTON, A.S.

Oxford, Clarendon Press, (1929).

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.

FRIEDMANN, ALEXANDER (+) ALBERT EINSTEIN.

Berlin, Julius Springer, 1922-24.

GYLDÉN, HUGO.

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

HERSCHEL, WILLIAM.

(London, Bulwer and Co., 1806).

CASSINI, JACQUES (CASSINI II).

(Paris, Jean Boudot, 1706).

HERSCHEL, WILLIAM.

London, Lockyer Davis and Peter Elmsly, 1783.

HERSCHEL, WILLIAM.

London, Lockyer Davis, 1790