| Tradition and Its Discontents|
Jewish History and Culture in Eastern Europe
An Online Exhibition from the Center for Advanced Judaic Studies 2002-2003 Fellows at the University of Pennsylvania
Isaak Ruelf and the Transformations of intercession (shtadlanut) in the 19th century.
Illustration of Isaac Ruelf from 1886, for the Warsaw based journal Kneset Israel.
Photograph of Ruelf taken shortly before his death in 1902, from the Viennese journal Die Welt.