Shaffer, JackHistorical dictionary of the cooperative movementLanham, Maryland; The Scarecrow Press 1999Series: Historical dictionaries of religions, philosophies, and movementsOnline editions:archive.org/details/historicaldictio0000shafLanguageenglishKeywordsCooperative MovementUniform titleHistorical dictionary of the cooperative movementAuthority Data (Author)GND: 141976721VIAF: 33787873
