Barlow 1994. Abundance of Large Whales in California Coastal Waters: a comparison of ship surveys in 1979/80 and in 1991. Report to International Whaling Commission 44, SC/45/O15.
 Barlow,J. 2003. Preliminary estimates of the abundance of Cetaceans along the U.S. West Coast: 1991-2001. Southwest Fisheries Science Center Administrative Report LJ-03-03.
 NOAA Fisheries. 2004. Stock Assessment Report. Fin Whale (Balaenoptera physalus): Western North Atlantic stock. Revised Dec. 2004.