Yale University. Department of Astronomy

The records consist of correspondence, letter books, financial papers, reports, and recommendations documenting the period of planning and construction of the Astronomical Observatory, also known as the Yale University Observatory. Notable contributors to the records include Leonard Waldo, astronomer in charge of the Horological Bureau of the Observatory; Robert Brown, secretary of the Board of Managers; and Hubert A. Newton, director of the observatory.

The records consist of correspondence, observation books, memoranda, and research notes documenting the activities and operations of the Yale Department of Astronomy. Included are subject files maintained by the directors of the Yale Observatory.

The papers include correspondence, writings, and research notes, which document Boris Garfinkel's research and publications in astronomy.

The papers consist of correspondence, writings, notes and offprints documenting Rupert Wildt's career as a professor in the Yale University department of astronomy (1946-1976), president of the Association of Universities for Research in Astronomy (1965-1968) and as visiting lecturer at universities in the United States and abroad.

Astronomical reference materials, including star charts, atlases, catalogs, and maps. The collection also includes fourteen manuscript volumes documenting parallaxes, photographs of the moon taken by Lunar Orbiter I, II, and III in the 1960s, and a small amount of material related to Yale's observatory, including records of the Trustees of the Winchester Observatory from 1871.