Crouch, Tom D. Lighter than air : an illustrated history of balloons and airships / Tom D. Crouch. - Baltimore : Johns Hopkins University Press, in association with the Smithsonian National Air and Space Museum, c2009. - 191 p. : ill. (some col.) ; 22 cm. Includes bibliographical references and index. ISBN: 9780801891274 (hardcover : alk. paper) 0801891272 (hardcover : alk. paper) LCCN: 2008027268 Subjects--Topical Terms: Airships--History.Balloons--History.Ballooning--History. LC Class. No.: TL605 / .C76 2009 Dewey Class. No.: 629.133/209