Green, Reginald Herbold. Unity or poverty? : The economics of Pan-Africanism / by Regin ald H. Green and Ann Seidman; with a foreword by Thomas Hodgkin. - Harmondsworth : Penguin, 1968. - 364 p. : ill. ; 19 cm. - Penguin African library, AP23 . Includes bibliographies. LCCN: 68-092837 Subjects--Topical Terms: Pan-Africanism. Subjects--Geographic Terms: Africa--Economic integration. Dewey Class. No.: AF 338.916 GRE