Isenman, Paul J. The middle income and country size biases in aid allocations / Paul J. Isenman - Brighton : Institute of Development Studies, 1975 - 44p : ill. ; 30 cm. - IDS, communication series . Includes bibliographical references and index. Subjects--Topical Terms: Aid programmesincome distribution Gov. Doc. Class. No.: GB Sus.U IDS Com-115