Robinson, J. Hedley. Astronomy data book / [by] J. Hedley Robinson. - 271 pages : illustrations (part fold.) 22 cm. "A Halsted Press book." ISBN: 0470728019 9780470728017 LCCN: 72009496 Subjects--Topical Terms: Astronomy--Observers' manuals. LC Class. No.: QB64 / .R58 Dewey Class. No.: 520