Astronomy

OLBERS, WILLIAM. - COMPUTING THE ORBIT OF COMETS.

(London, John Murray, 1820, 1821, 1822).

BESSEL, FRIEDRICH WILHELM. - REDUCING THE "PERSONAL EQUATION".

Regiomonti (Königsberg), Frid. Nicolovium, 1818.

BODE, JOHANN ELERT (und) J. OLTMANNS.

Berlin und Stuttgart, Nicolaischen Buchh., 1823-33.

OLUFSEN, C.F.R.

Kjøbenhavn, Schultz, (1833-36).

URSIN, G.F.

Kjøbenhavn, Schultz, (1831-32).

SCHELLEN, H.

ENCKE, J.F. ET AL. (HRSG.).

Berlin, Königl. Akademie der Wissenschaften etc., 1828-1928.

SOUTH, JAMES. - THE SECOND STAR CATALOGUE.

London, W. Nicol, 1826.

BARLOW, PETER. - THE "BARLOW LENS"

(London, Richard Taylor, 1833).

DARWIN, G.H.

(London, Harrison and Sons, 1881).

LOCKYER, JOSEPH NORMAN.

(London, Harrison and Sons, 1893).

LOCKYER, JOSEPH NORMAN.

(London, Harrison and Sons, 1881).

JANSSEN, PIERRE JULES CÉSAR - THE DISCOVERY OF HELIUM IN THE SUN.

Paris, G. Masson, 1878.

HUGGINS, WILLIAM and W.A. MILLER. - HEAVEN AND EARTH BUILT OF THE SAME ELEMENTS.

(London, Taylor and Francis, 1864).

HUGGINS, WILLIAM. - THE FIRST DETERMINATION OF THE MOVEMENT OF A STAR.

(London, Taylor and Francis, 1868).

HERSCHEL, JOHN W.F. - INTRODUCING 'POSITIVE' AND 'NEGATIVE' IN PHOTOGRAPHY.

(London, Richard and John E., Taylor, 1840.

DARWIN, G.H. - A PIONEERING WORK IN COSMOLOGY BY THE "FATHER OF GEOPHYSICS"

(London, Harrison and Sons, 1880).

DARWIN, G.H. - ANNOUNCING THE "RESONANCE THEORY" OF THE ORIGIN OF THE MOON.

(London, Harrison and Sons, 1880).