Ward Barbara. Spaceship Earth / [by] Barbara Ward. - New York : Columbia University Press, 1966. - 152 p. ; 20 cm. - no. 6 . - no. 6 . Nat. Bib. No.: 66018062 Nat. Bib. Agency Control No.: 1023530 ChTaNC Subjects--Topical Terms: International cooperation.International relations國際 LC Class. No.: JX1395 / .J3 Dewey Class. No.: 327