^Kuna, Milan (1990). Hudba na hranici života. Prague: Naše vojsko; Český svaz protifašistických bojovníků. ISBN80-206-0069-8. (Czech) (Comprehensive source describing activities of Czech/Jewish musicians in Nazi prisons. Vogel is mentioned on several occasions, however, his life dates are missing)
^"Eric T Vogel". Geni.com. 30 April 1896. Retrieved 2018-04-03.
^article 'Jazz in a Nazi Concentration Camp', 1961 Down Beat magazine.
^Cross currents University of Michigan. Dept. of Slavic Languages and Literatures, University of Michigan. Center for Russian and East European Studies - 1988 -"Bedrich (or Fricek as he was known to friends, or Fritz as his German jazz colleagues called him) Weiss' name leads .... One of the many good amateur groups in Brno, the capital of Moravia at the time when Emil Ludvik was organizing his orchestra in Prague, was a combo consisting of the Paskus brothers (guitarist and drummer), the clarinetist Kolek and the trumpet player and arranger Erich Vogel. "
^Different drummers: jazz in the culture of Nazi Germany: 1991 Michael H. Kater - 1992 "Subsequently, Roman was discovered by a Czech amateur trumpet player, Eric Vogel ... Vogel immediately asked for and received permission to entrust the leadership of the band to Roman, whose fame had preceded him among musicians."
^A new history of jazz Alyn Shipton - 2007 "A few, such as the Czech trumpeter Eric Vogel, escaped — in his case en route to Dachau — and lived to tell the horrifying tale of his colleagues who were not so fortunate."