Cole, G. D. H. 1889-1959. A century of co-operation / G. D. H. Cole - Manchester [Eng.] : The Co-operative union ltd. 1938. - iv, 427, [1] p.; ill.; 23 cm. Subjects--Topical Terms: Cooperation--Great Britain.Rochdale system. LC Class. No.: HD3486 / .C55 Dewey Class. No.: 334 / COC 1938