Carl Happel (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Carl Happel" in English language version.

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books.google.com

  • Merrill, Peter C. (1997). German Immigrant Artists in America: A Biographical Dictionary. Lanham, Maryland: Scarecrow Press. p. 91. ISBN 9780810832664. OCLC 35686096.

online.de

s197410804.online.de

worldcat.org

search.worldcat.org

  • Merrill, Peter C. (1997). German Immigrant Artists in America: A Biographical Dictionary. Lanham, Maryland: Scarecrow Press. p. 91. ISBN 9780810832664. OCLC 35686096.