Upper Cambrian faunas from the northwest Wind River Mountains, Wyoming, Part III. Journal of Paleontology, 36(1) 1962: 1-28. icldiCilcl [Zoological Record Volume 99]
An Aphelaspis zone faunule from Logan, Montana. Journal of Paleontology, 88(3) 1962: 431-441. [Zoological Record Volume 99]