Letters from Joseph Matkin: transcription of letters of a crewman on HMS Challenger. Originals are held in SIO Library Matkin 84-21 archival collection.
History of Ocean Basins. H.H. Hess. IN: Petrologic studies: a volume in honor of A. F. Buddington. A. E. J. Engel, Harold L. James, and B. F. Leonard, editors. New York: Geological Society of America, 1962. pp. 599-620