Half-hours with the stars: a plain and easy guide to the knowledge of the constellations, showing, in 12 maps, the position of the principal star-groups night after night throughout the year, with introduction and a separate explanation of each map. True for every year
- publisher: New York, G. P. Putnam's sons
- creator: Proctor, Richard A. (Richard Anthony), 1837-1888
- Keyword: Stars Atlases. Telescopes.
- years: 1873.
- pages: vi, l., vi, [7]-22 p. 12 col. maps.,
- class: QB65
- notes: Half-title: Guide to the knowledge of the constellations.
- download: pdf file