Kevin Grose, Eric S. Howard, and Cécile Thiéry, editors ; contributors, J. Scott Christenson ... [et al.]IUCN-The World Conservation Union in collaboration with the United Nations Environment Programme, INFOTERRA Programme Activity Centre1995
compiled by Mary Anglemyer, Eleanor R. Seagraves, Catherine C. LeMaistre ; under the auspices of Rachel Carson Council, inc. ; with an introd. by S. Dillon RipleySmithsonian Institution Press1980