December 2, 1911 — Mary Proctor
A Business Man Who Took an Interest in Astronomy
June 24, 1911 — Mary Proctor
Herschel's "Windows of Heaven"
May 20, 1911 — Mary Proctor
December 15, 1906 — Mary Proctor
August 20, 1904 — Mary Proctor
November 7, 1903 — Mary Proctor
August 15, 1903 — Mary Proctor
July 26, 1902 — Mary Proctor
February 15, 1902 — Mary Proctor
December 21, 1901 — Mary Proctor
December 7, 1901 — Mary Proctor
April 13, 1901 — Mary Proctor
