Macdonald, Gordon A. 1911-1978. Volcanoes of the national parks in Hawaii / by Gordon A. Macdonald and Douglass H. Hubbard. - 4th ed. rev. - - Honolulu : Hawaii Natural History Association, 1968. - 52 p. : ill. ; 23 cm. Bibliography: p. 52. English Subjects--Topical Terms: Volcanoes--Hawaii. LC Class. No.: QE524 / .M3 1968 Dewey Class. No.: 551.21