Astronomy

BUGGE, THOMAS.

Kbhvn., 1796.

BALL, ROBERT STAWELL.

Dublin, Hodges, Foster, and Co., 1876.

BUGGE, THOMAS.

Kiøbenhavn, S. Poulsen, 1796.

BUGGE, THOMAS.

Kiøbenhavn, S. Poulsen, 1796.

GAUSS, CARL FRIEDRICH

Hamburg, Frid. Perthes & I.H. Besser, 1809.

BUGGE, THOMAS.

Kiøbenhavn (Copenhagen), Poulsens forlag, 1796.

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.

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

London, George Barclay, 1847.

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.

Oxford, Clarendon Press, 1927.

UREY, HAROLD C.

London, Oxford University Press, 1952.

GYLDÉN, HUGO.

Berlin, Stockholm, Paris, Beijer, 1893.