Astronomy

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

London, George Barclay, 1847.

ZINNER, ERNST.

Berlin, Julius Springer, (1931).

KEPLER, JOHANNES.

München u. Berlin, R. Oldenburg, 1930

EULER, LEONHARD.

(Berlin, Haude et Spener, 1748).

ALEXANDER, A.F. O' D.

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

EDDINGTON, A.S.

Oxford, Clarendon Press, (1929).

EDDINGTON, A.S.

London, Macmillian, 1914.

EDDINGTON, A.S.

Oxford, Clarendon Press, 1927.

CHANDRASEKHAR, SUBRAMANYAN.

Lancaster, American Physical Society, 1943.

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.

GYLDÉN, HUGO.

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

HERSCHEL, WILLIAM.

London, Lockyer Davis and Peter Elmsly, 1783.