19 maps of the Small Magellanic Cloud presenting the Harvard variables
Publisher: Harvard College Observatory
Published: 1966
Place of publication: Cambridge, Mass
Language: eng
Subjects: Variable stars; Maps
Notes: "Found by Miss Leavitt (1890-1920), assistants of H. Shapley (1922-1952) and S. Gaposchkin (1960-1964) together with some semi-variables and photographic magnitudes."