1. The effect of disturbance on harbor seal haul out patterns at Bolinas Lagoon, California;Allen;Fisheries Bulletin,1984
2. Population dynamics of harbor seals in the Gulf of the Farallones, California;Allen;California Fish and Game,1989
3. Allen Miller, S . 1988. The movement and activity patterns of harbor seals in Drakes Estero, California. M.S. thesis, University of California, Berkeley, CA. 69 pp.
4. Long-term monitoring of harbor seals at Point Reyes, California: Five year annual report 1997-2001;Allen;National Park Service Technical Report,2004
5. Delayed upwelling alters nearshore coastal ocean ecosystems in the northern California current;Barth;Proceedings of the National Academy of Sciences,2007