Annual report. - Washington P: IILRI. 1959 - 53 p. : ill. ; 30 cm. - 1959; 1960; 1961; 1962; 1963; 1966; 1967; . Includes bibliographical references and index. Subjects--Topical Terms: AgricultureActivity analysisAnnual reports Dewey Class. No.: 630 / INT-3