The millipeds collected in Appalachian caves by Mr. Kenneth Dearolf. Bulletin of the Museum of Comparative Zoology, 86(4) 1939: pp. 165-193. [Zoological Record Volume 81]
The millipeds collected in Appalachian Caves by Mr. Kenneth Dearolf. Bulletin of the Museum of Comparative Zoology, 86(4) 1939: 31 pp.. [Zoological Record Volume 79]