Allan Hancock Pacific expeditions. [Reports] - Allan Hancock Foundation. (University of Southern California Press, 1952)

Allan Hancock Pacific expeditions. [Reports] - Allan Hancock Foundation. (University of Southern California Press, 1952)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1904)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1904)

Checklist of CITES Species and Annotated CITES Appendices and Reservations - Inskipp, Tim (CITES Secretariat, UNEP-WCMC, 2005)