Source book in astronomy, 1900-1950.
Shapley, Harlow, 1885-1972,
Source book in astronomy, 1900-1950. - Cambridge, Harvard University Press, 1960. - xv, 423 p. illus., diagrs., tables. 24 cm. - Source books in the history of the sciences .
"Identification and sources": p. [411]-417.
60013294 //r962
Astronomy.
QB3 / .S52
520.82
Source book in astronomy, 1900-1950. - Cambridge, Harvard University Press, 1960. - xv, 423 p. illus., diagrs., tables. 24 cm. - Source books in the history of the sciences .
"Identification and sources": p. [411]-417.
60013294 //r962
Astronomy.
QB3 / .S52
520.82