Cust, L. (1909). Notes on pictures in the Royal Collections: XII - A portrait of Martin Luther as "Junker Jörg" by Lucas Cranach. Heidelberg: Universitätsbibliothek Heidelberg.
Čikaški stil citiranjaCust, Lionel. Notes On Pictures in the Royal Collections: XII - A Portrait of Martin Luther As "Junker Jörg" By Lucas Cranach. Heidelberg: Universitätsbibliothek Heidelberg, 1909.
MLA način citiranjaCust, Lionel. Notes On Pictures in the Royal Collections: XII - A Portrait of Martin Luther As "Junker Jörg" By Lucas Cranach. Heidelberg: Universitätsbibliothek Heidelberg, 1909.
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