101. Book Review: The Study of Comets: Part 1 and Part 2. A conference held at Goddard Space Flight Center, Greenbelt, MD, October 28-November 1, 1974, ed. B. Donn, M. Mumma, W. Jackson, M. A'Hearn and R. Harrington, NASA SP-393, U.S. Government Printing Office, Washington, D.C., Icarus, 30, 435, (1977).

101. Book Review: The Study of Comets: Part 1 and Part 2. A conference held at Goddard Space Flight Center, Greenbelt, MD, October 28-November 1, 1974, ed. B. Donn, M. Mumma, W. Jackson, M. A'Hearn and R. Harrington, NASA SP-393, U.S. Government Printing Office, Washington, D.C., Icarus, 30, 435, (1977)., Box: 21, Folder: 33. Martin Harwit papers, 14-7-2402. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/174452 Accessed January 21, 2026.