Astronomy

EULER, LEONHARD.

(Berlin, Haude et Spener, 1748).

ALEXANDER, A.F. O' D.

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

EDDINGTON, A.S.

Oxford, Clarendon Press, (1929).

HERSCHEL, WILLIAM.

(London, Bulwer and Co., 1806).

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.

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.)

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).

HERSCHEL, WILLIAM.

London, Lockyer Davis and Peter Elmsly, 1783.

HERSCHEL, WILLIAM.

London, Lockyer Davis, 1790