Frank P. Brackett's papers contain professional and personal correspondence, manuscripts, Pomona college documents, Personal documents, Government publications, financial documents, illustrations, ephemera, and newspaper clippings and pamphlets.

Brackett corresponded with colleagues from Dartmouth College, Goodsell Observatory at Carleton College, Yerkes Observatory at Williams Bay, Wisconsin, University of Chicago, Lick Observatory at University of California National Academy of Sciences - Committee on Solar Research, and Solar Observatory on Mt. Wilson, California. He wrote to employees of the Pacific Electric Railway.

This folder contains correspondence between Professor Brackett and manufacturers of astronomical equipment.

This folder contains correspondence between Professor Brackett and manufacturers of astronomical equipment. Photographs and blue prints of equipment are included. Also, Brackett corresponded with colleagues running Observatories in the United States as well as in Australia and Europe.

This folder contains correspondence between Professor Brackett and manufacturers of astronomical equipment, invitations to the dedication of Brackett observatory at Pomona College, and notes on the cost of the observatory at Pomona College.

This folder contains correspondence between Professor Brackett and manufacturers of astronomical equipment.

This folder contains correspondence between Professor Brackett and manufacturers of astronomical equipment.