Astronomy

CASSINI, J. - SATURN'S RINGS.

(Paris, L'Imprimerie Royale, 1718).

LAMBERT, J.H.

Augspurg, Eberhard Kletts Wittib., 1761.

MORRISON, P.

Lancaster, American Physical Society, 1957.

LANCZOS, KORNEL.

Berlin, Julius Springer, 1923.

LAGRANGE, JOSEPH LOUIS.

(Berlin, Haude et Spener, 1771).

LOCKYER, JOSEPH NORMAN.

London, Macmillan and Co., 1887.

HERSCHEL, WILLIAM.

London, Peter Elmsly, 1795.

GAMOW, G.

London, Macmillan and Co, 1948.