^ This article incorporates text from a publication now in the
public domain:
Bryan, Michael (1886).
"Felsing, Johann Konrad". In Graves, Robert Edmund (ed.). Bryan's Dictionary of Painters and Engravers (A–K). Vol. I (3rd ed.). London: George Bell & Sons. p. 485.
^ This article incorporates text from a publication now in the
public domain:
Bryan, Michael (1886).
"Felsing, Johann Konrad". In Graves, Robert Edmund (ed.). Bryan's Dictionary of Painters and Engravers (A–K). Vol. I (3rd ed.). London: George Bell & Sons. p. 485.