Space & PhysicsDecember 2, 1911
The Latest Photograph of the Planet Mars
Stories by Mary Proctor
Space & PhysicsJune 24, 1911
John D. Hooker and the One Hundred-inch Reflector
A Business Man Who Took an Interest in Astronomy
Space & PhysicsMay 20, 1911
Vacant Regions in the Milky Way
Herschel's "Windows of Heaven"
Space & PhysicsDecember 15, 1906
Total Eclipse of the Sun in January, 1907
Space & PhysicsAugust 20, 1904
The 1905 Eclipse of the Sun
The SciencesNovember 7, 1903
The Amherst College Observatory
Space & PhysicsAugust 15, 1903
Prof. Barnard's Observations of the White Spot on Saturn
Space & PhysicsJuly 26, 1902
Plans for a Great Telescope
Space & PhysicsFebruary 15, 1902
The Yerkes Observatory Two-Foot Reflector
Space & PhysicsDecember 21, 1901
Measuring the Heat of the Stars
Space & PhysicsDecember 7, 1901
Nebula in Nova Persei
Space & PhysicsApril 13, 1901
Government Eclipse Expedition