Pearson, Lester B. The crisis of development [electronic resource] / [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. LCCN: 76115105 Subjects--Topical Terms: Economic assistance. LC Class. No.: HC60 / .P354 Dewey Class. No.: 338.91