File "Prominences of the Active and Sunspot Types Compared, " by Robert McMath and Edison Pettit, 1937 Box 9 In: Robert R. McMath Papers, 1916-1962 » Writings
File "The Tower Telescope of the McMath-Hulbert Observatory, " by Robert McMath Box 9 In: Robert R. McMath Papers, 1916-1962 » Writings
File "Recent Studies in Solar Phenomena" by Robert McMath, and notes concerning solar prominence studies, 1938 Box 9 In: Robert R. McMath Papers, 1916-1962 » Writings
File "A Review of Lake Angelus Tower Telescope Motion Picture Records, " by Robert McMath and Harold Sawyer, 1938 Box 9 In: Robert R. McMath Papers, 1916-1962 » Writings
File "A Review of Lake Angelus Prominence Observations, " by Robert McMath and Harold Sawyer, 1939 Box 9 In: Robert R. McMath Papers, 1916-1962 » Writings
File "The Measurement of Space Motions of Solar Prominences" by Robert McMath, 1941 Box 9 In: Robert R. McMath Papers, 1916-1962 » Writings
File History, 1959 Box 9 In: Robert R. McMath Papers, 1916-1962 » McMath-Hulbert Observatory, Lake Angelus
File Financial Correspondence and Statements, 1932-1940 7 folders Box 9 In: Robert R. McMath Papers, 1916-1962 » McMath-Hulbert Observatory, Lake Angelus