Collection; includes "National Geographic" for June 1934, February 1937, September 1938, January 1947, July 1949, March 1955, January 1962, April through December 19967, January through March 1970; Oceans January through December 1969, February through June 1970; "Sea Frontiers" March/April through September/October 1968, January through December 1969 through 1972, March/April through November/December 1973, January through December 1974 through 1976, January/February through July/August 1977; "Sea Frontiers" Supplements--"Sea Secrets" March, April, May, June, August, September, October, December 1968; January, February, April, May, June, July/August, September, October, November 1969, February through September/October 1970, January through December 1971 through1973, All except July/August 1974, January/February, March/April, July/August 1975. Color: BK,WH