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PDF icon Douglass, AE_Gegenschein Observations_1894.pdf (1.61 MB)
Burns, James M. 1976. A Guide To Measuring Tree Ring Widths. Tucson: Laboratory of Tree Ring Research.
PDF icon Burns, James M_A Guide to Measuring Tree Ring Widths_1976 14-08-46.pdf (54.99 MB)
Douglass, AE. 1910. Halleys Comet. Tucson Citizen. Tucson Citizen.
PDF icon Punchard Ensign_Halos of Sept 2, 1882_1882.pdf (1.84 MB)
PDF icon Douglass, AE_Historical Address_1923.pdf (6.29 MB)
Tunnicliff, Brock Matthew. 1975. The Historical Potential Of Snowfall As A Water Resources In Arizona. School Of Renewable Natural Resources. School Of Renewable Natural Resources. University of Arizona.
PDF icon History of Droughts in Washington State_1977.pdf (45.75 MB)
Funston, CM, and AE Douglass. 1895. How Tall We Are. Coconino Sun. Coconino Sun.
Douglass, AE. 1900. A Hypothesis Regarding The Surface Markings Of Jupiter. Popular Astronomy (No. 79). Popular Astronomy .
PDF icon Douglass, AE_A Hypothesis Regarding the Surface Markings of Jupiter_1900.pdf (4.03 MB)