Welcome to the Lowell Observatory Archives
The Lowell Observatory Archives collects, preserves, and provides access to records that document the history of our institution. This includes manuscripts, photographs, audiovisual material, maps, blueprints, drawings, three-dimensional objects, oral histories, and glass plate negatives.
Complete finding aids for personal papers are available at Arizona Archives Online (external link below) and here:
A.E. Douglass Papers
Bob Millis Papers
Gibson Reaves Papers
Henry Giclas Papers
Jay Gallagher Papers
Leonard Martin Papers
Nicholas Clinch Papers
William Graves Hoyt Papers