Gudger, E.W. & Hoffmann, W.H. (1931)
A Shark Encircled with a Rubber Automobile Tire.
Scientific Monthly, 33(3): 275–277
Gudger, E.W. & Hoffmann, W.H. (1930)
The second capture of the whale shark, Rhineodon typus, near Havana harbor, Cuba.
Science, 71(1851), 639–640
Gudger, E.W. & Hoffmann, W.H. (1928)
The whale shark, Rhineodon typus, near Havana Harbor, Cuba : the fifth record from the Straits of Florida.
American Museum Novitates, 318, 1–8