Jones, Bessie Zaban. The Harvard College Observatory: the first four directorships, 1839-1919 [by] Bessie Zaban Jones and Lyle Gifford Boyd. Foreword by Donald H. Menzel.

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Jones, Bessie Zaban.

The Harvard College Observatory: the first four directorships, 1839-1919 [by] Bessie Zaban Jones and Lyle Gifford Boyd. Foreword by Donald H. Menzel.

Harvard College Observatory -- History.

Institutional History

Boyd, Lyle Gifford, 1907-