Beaton, Kendall. Enterprise in oil; a history of Shell in the United States. - New York, Appleton-Century-Crofts, 1957. - 815 p. illus. 25 cm. LCCN: 56012109 Subjects--Corporate Names: Shell Oil Company. LC Class. No.: HD9569.S55 / B4 Dewey Class. No.: 665.5065