Lowell, Percival, "Temperature of Mars", 1907-01-15
Percival Lowell's article regarding the temperature of Mars in Proceedings of the American Academy of Arts & Sciences.
Lowell, Percival, Percival Lowell's "Address to the Normal School at Flagstaff (NAU) on the 100th Anniversary of Louis Agassiz Birth", 1907-05-30
"Address of Mr. Percival Lowell before the Normal School (now NAU) on the One Hundredth Birthday of the Celebrated Scientist."
Lowell, Percival, "Saturn's Tores", 1907-12-14
Percival Lowell's article in Scientific American describing Saturn's rings. Certain parts of the ring system are not flat but of the nature of…
Antoniadi, Eugène Michel, Letter from E.M. Antoniadi to Percival Lowell, November 15, 1909, 1909-11-15
Letter from Antoniadi to Lowell discussing Mars observations and telescopes.
Antoniadi, Eugène Michel, Letter from E.M. Antoniadi to Percival Lowell, October 11, 1909, 1909-10-11
Letter from Antoniadi to Lowell discussing Mars observations and photographs.
Antoniadi, Eugène Michel, Letter from E.M. Antoniadi to Percival Lowell, October 9, 1909, 1909-10-09
Letter from E.M. Antoniadi to Percival Lowell discussing Mars photographs, the translation of "Mars and Its Canals" into French, and Antoniadi's Mars…
Antoniadi, Eugène Michel, Letter from E.M. Antoniadi to Percival Lowell, September 9, 1909, 1909-09-09
Letter from Antoniadi to Lowell discussing Mars observations and requesting copies of the Lowell Observatory Bulletins and Annals of the Lowell…
Slipher, E. C., Measurements of Saturn and Its Satellites, 1912-1913
Measurements of Saturn and Its Satellites, 1912-1913
Slipher, E. C., Observational Notes on Saturn, 1915-04
E. C. Slipher and Percival Lowell's Observation notes on Saturn, 1915
Slipher, E. C., Observational Notes on Saturn and Its Satellites, 1915-03
E. C. Slipher and Percival Lowell's Observation notes on Saturn and its Satellites
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