The German-Swiss writer and playwright Carl Zuckmayer (1896–1977) in 1929 signing a contract with German UFA.
Unknown author<span style="display: none;">Unknown author</span>
Jürgen Schebera: <i>Damals im Romanischen Café</i>, Verlag Edition Leipzig, Leipzig 1988, <a href="//commons.wikimedia.org/wiki/Special:BookSources/3075089842" class="internal mw-magiclink-isbn">ISBN 3075089842</a>