Washington: National Academy of Sciences, 1905. — 309 p.
Joseph Henry.
John Edwards Holbrook.
Louis Francois de Pourtales.
Augustus Addison Gould.
Henry Augustus Rowland.
Theodore Lyman.
Matthew Carey Lea.
Francis Amasa Walker.
John Gross Barnard.
James Edward Keeler.
James Hadley.
Henry Barker Hill.
Sereno Watson.
Robert Empie Rogers.