Pearson, Lester B. The crisis of development English [by] Lester B. Pearson. - New York, Published for the Council on Foreign Relations by Praeger Publishers [1970] - viii, 117 p. 22 cm. - Russell C. Leffingwell lectures, 1969 . ISBN: 026902736X LCCN: Subjects--Topical Terms: Economic assistance. Dewey Class. No.: 338.91 / PEA