Sigma Delta Chi

Sources

• Hall-Hoag Collection of Dissenting and Extremist Printed Propaganda
• VIAF: 154755030
• LCNAF: LC|n 79030760
• Wikipedia: http://en.wikipedia.org/wiki/Society_of_Professional_Journalists
• Web: http://www.spj.org/sdx.asp
• DbPedia: http://dbpedia.org/page/Society_of_Professional_Journalists