Haas, Otto, 1887-; Miller, A. K. (Arthur K.), 1902-; MacFadyen, W. A.; Hunt, John A. (John Anthony)
(New York : [American Museum of Natural History], 1952)
"Some 20 years ago, W.A. Macfadyen and J.A. Hunt collected well over a hundred Tertiary nautiloids from British Somaliland (which had previously yielded only two specimens), and these constitute the basis for this study. ...