1. AINLEY, D. G., R. P. HENDERSON, AND C. S. STRONG.1990. Leach's and Ashy Storm-Petrel, p. 128-162. In D. G. Ainley, and R. J. Boekelheide [eds.],Seabirds of the Farallon Islands. Stanford Univ.Press, Palo Alto, CA.AinleyLeach's and Ashy Storm-Petrel128Seabirds of the Farallon Islands1990
2. The History of Farallon Island Marine Bird Populations, 1854-1972