1898 made studio portrait by <a href="https://de.wikipedia.org/wiki/Eduard_Schultze" class="extiw" title="de:Eduard Schultze">Ed. Schultze</a> (Plöckstrasse 79, Heidelberg) of <a href="https://de.wikipedia.org/wiki/Josef_Molling" class="extiw" title="de:Josef Molling">Josef Molling's</a> fraternity; Heidelberg, Germany
, Plöckstrasse 79, Heidelberg
<a href="https://en.wikipedia.org/wiki/Center_for_Jewish_History" class="extiw" title="en:Center for Jewish History">Center for Jewish History</a>, New York City