TY  - BOOK
AU  - Shapley, Harlow
AU  - Howarth, Helen E.
TI  - A source book in astronomy
T2  - Source books in the history of the sciences
PY  - 1929///
CY  - New York
PB  - McGraw-Hill
KW  - Astronomy and Astrophysics Thesaurus
KW  - Astronomy-History
ER  -