https://en.wikipedia.org/wiki/Shoup_Voting_Machine_Corporation Jacob H. Myers https://news.google.com/newspapers?nid=1356&dat=19710730&id=aXdPAAAAIBAJ&sjid=PgUEAAAAIBAJ&pg=5301,4151582 https://news.google.com/newspapers?nid=2202&dat=19710729&id=FXglAAAAIBAJ&sjid=2vIFAAAAIBAJ&pg=762,2498813