Volcanoes in history, in theory, in eruption by Fred M. Bullard. Bullard, Fred M. Fred Mason), 1901- Volcanoes. QE522 .B87 551.21 BUV Rev. ed. published in 1976 under title: Volcanoes of the Earth. Includes bibliographical references and index. Austin : University of Texas Press, c1962. c1962. 1962 Text xvi, 441 p. : eng