[2020-10-09]. ISSN 2151-3945. "Rube" Marquard Found Guilty of Ticket Scalping and Fined $1 and Costs; Said It Was Joke. The Sandusky Star-Journal. 1920-10-12:
Feinstein Releases Text of Scalping Bill. National Journal. 2009-01-07 [2012-03-03]. (原始内容存档于2012-03-03). Harder, Amy. Ban on Scalping Inaugural Tickets Dies