Lowell, Constance S., Discovery of Pluto
Lowell Prize at the Normal School (Northern Arizona University)
Letter from Constance Lowell (Mrs. Percival) to Carl Lampland, March 9, 1930, 1930-03-09
Roger Putnam has written Mrs. Lowell about the observation of what may be Planet X and if she has any thoughts about the naming thereof.
Lampland, Carl O., Botanical excursions with Percival Lowell
Letter from Carl Lampland to Charles Sprague Sargent (Harvard University's Arnold Arboretum), December 21, 1916, 1916-12-21
Dr. Lowell's last work on botanical specimens, his interest in botany and his death a day after examining the latest specimens
Sargent, C.S., Botanical excursions with Percival Lowell
Letter from Charles Sprague Sargent (Harvard University's Arnold Arboretum) to Carl Lampland, December 27, 1916, 1916-12-27
Dr. Lowell made some important and interesting discoveries about the distribution of trees in the Flagstaff region.
Duncan, John C.
Astronomical Society of the Pacific 1951, Carl O. Lampland's Obituary, by John C. Duncan in Publications of the Astronomical Society of the Pacific, 1952
Lampland, C.O., Solar Eclipse Expeditions
World War I
Letter from Carl O. Lampland to John A. Miller (Vice President, Swarthmore College), November 1, 1917, 1917-11-01
Visit by Mrs. Lowell and Trustee, Guy Lowell
Photographic doublet needed to continue the transneptunian work and preparations for the eclipse…
Lampland, C.O., Effects of the Great Depression
Lowell Observatory Personnel Update
Letter from Carl Lampland to James H. Worthington, December 19, 1933, 1933-12-19
'The Call to the Engineers and Scientists' by Professor Walker
The 'world's dilemma': conditions prevailing today practically everywhere on the…
Roosevelt, F.D., Franklin D. Roosevelt
Acting Secretary of the Navy Franklin D. Roosevelt's reply to a request by Senator Ashurst at Carl Lampland's behest for a copy of the American Practical Navigator, March 19, 1919, 1919-03-19
Acting Secretary of the Navy Franklin D. Roosevelt's reply to a request by Senator Ashurst at COL's behest for a copy of the American Practical…