A thorough general account is in C. Hartley Grattan, The Southwest Pacific Since 1900 (1963). An interesting and thorough history is Walter Sullivan, Quest for a Continent (1957). Kenneth J. Bertrand, Americans in Antarctica, 17751948 (1971), recounts early U.S. explorations. Antarctica: Great Stories from the Frozen Continent (1985), offers a readable and profusely illustrated account of explorers from many nations, as well as a description of the physical environment. A complete list of expeditions, claims, treaties, discoveries, and meetings is found in R.K. Headland, Chronological List of Antarctic Expeditions and Related Historical Events (1989).