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WikiPedia: Thomas_R._Marshall http://buckvbell.com/pdf/JPaulmss.pdf http://query.nytimes.com/mem/archive-free/pdf?_r=1... http://time.com/4314491/americas-worst-vice-presid... http://bioguide.congress.gov/scripts/biodisplay.pl... http://www.in.gov/history/2700.htm http://indianahistory.org/pop_hist/people/marshall... http://www.quaylemuseum.org/Vice_Presidency/Indian... https://books.google.com/books?id=FHJ22BZnEeEC https://books.google.com/books?id=SlKbSuBQL-AC https://books.google.com/books?id=aDx5AAAAMAAJ