Anders Rapp, « Nivation Hollows and Glacial Cirques in Söderåsen, Scania, South Sweden », Geografiska Annaler. Series A, Physical Geography, vol. 66, nos 1/2, , p. 11 (DOI10.2307/520937)
S. S. Visher, « Francois Emile Matthes, 1874-1948 », Annals of the Association of American Geographers, vol. 38, no 4, , p. 301–304 (DOI10.1080/00045604809351988)
googleusercontent.com
books.googleusercontent.com
, Andrew Lawson, G. K. Gilbert, H. F. Reidet al., The California Earthquake of April 18, 1906, Washington, District of Columbia, Carnegie Institution of Washington, , 279–308 p. (lire en ligne), « 87, Volume 1, Part II »
« Miss Edith Coyle and F.E. Matthes Married at Radford Home », Washington Times, nos 7,104, (lire en ligne, consulté le )
usgs.gov
pubs.usgs.gov
C. C. Heliker, Arthur Johnson et S. M. Hodge, The Nisqually Glacier, Mount Rainier, Washington, 1857 - 1979, Tacoma, Washington, U.S. Geological Survey, (lire en ligne), p. 2