“Polio”, by Anonymous 66660 [Subtitle: Prudential Health Series] [author: Anonymous] [Link: https://www.gutenberg.org/6/6/6/6/66660] [Files: 66660-0.txt; 66660-h.htm]
Thanks to Stephen Hutcheson (RIP), Donald Cummings and the Online Distributed Proofreading Team at https://www.pgdp.net Regards, Jacqueline
