Minutes of the Meeting of the Board of Directors of the Astronomical Society of the Pacific, Held in the Rooms of the Society on January 29, 1916, at 7:30 p.m
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D. S. Richardson. "Minutes of the Meeting of the Board of Directors of the Astronomical Society of the Pacific, Held in the Rooms of the Society on January 29, 1916, at 7:30 p.m." Publications of the Astronomical Society of the Pacific 28.162 (1916) 45