Voting- General Election 1957- Sierra Leone Added by Jason Forrest 8 on Mar 1st, 2021 Date 1957 Credits Marie Neurath 10 Isotype Institute 10 Format Brochure 67 Type of Work Finished work 5482 Links wittgensteinrepository.org… medium.com… Tags Africapolitical graphicsEducationvoteballotprocessIsotypeIsotype InstitutePictorial Statistics