Ettinger Nathalie The heartland of Asia / Nathalie Ettinger . - London : Aldus, 1971. - 191 p. : illus. (some col.), col. facsims., maps (some col.), ports. (some col.) ; 27 cm. Subjects--Geographic Terms: Asia--Discovery and exploration LC Class. No.: DS5.95 Dewey Class. No.: 915