Robertson, A. H. 1913- European institutions : co-operation, integration, unification / by A.H. Robertson. - London : Stevens, 1959. - 372 p. - Library of world affairs ; no. 44 . - Library of world affairs ; no. 44. . Subjects--Topical Terms: European federation.International agencies. Subjects--Geographic Terms: Europe--Politics and government--1945- Dewey Class. No.: 341.242 / ROE 1959