Sea lions -- Alaska : Decline of the Steller sea lion in Alaskan waters : untangling food webs and fishing nets / Committee on the Alaska Groundfish Fishery and Steller Sea Lions, Ocean Studies Board, Polar Research Board, Division on Earth and Life Studies, National Research Council of the National Academies
Sea lions -- Popular works : Fifty years of flukes and flippers : a little history and personal adventures with dolphins, whales and sea lions (1958-2007) / William E. Evans