Astronomy & Space in 1969

Die Entwicklung eines Sternes von zwölffacher Sonnenmasse by Tschasnuter, Werner, Ferrari D'Occhieppo, Konradin, Firneis, Friedrich

Untersuchungen über Leuchterscheinungen auf dem Mond by Hopmann, Josef

General Properties of Matter by Brown, B.

Der Mond by Link, F.

Pulsating Stars: A Nature Reprint by Smith, F. G., Hewish, A.

Extra-Terrestrial Matter by

Herschel at the Cape: Diaries and Correspondence of Sir John Herschel, 1834-1838 by

Veränderliche Sterne in Der Umgebung Des Galaktischen Nordpols by Wenzel, W., Meinunger, L.

Suns, Myths and Men by Moore, Patrick

From the Closed World to the Infinite Universe by Koyre, Alexandre

Practical Work in Elementary Astronomy by Minnaert, M. G. J.

Manned Laboratories in Space: Second International Orbital Laboratory Symposium by

Die Literatur Des Jahres 1968 by

Die Literatur Des Jahres 1967 by