The Provenance Research Project
If you have any questions or information to provide on the listed works, please send an e-mail to: firstname.lastname@example.org.
Or write to:
Provenance Research Project
The Museum of Modern Art
11 West 53 Street
New York, N.Y. 10019
Hans Tietze and Erica Tietze-Conrat
Oskar Kokoschka (Austrian, 1886–1980)
Collection work meeting criteria specified in Introduction.
Erica Tietze-Conrat (1883-1958) and Hans Tietze (1880-1954), Vienna and New York, 1909; sold through Hugo Feigl, New York, to The Museum of Modern Art, New York, February 1940 .
 Approved for acquisition on December 8, 1939.
Portrait of Dr. Tietze and his Wife
Professor Hans Tietze and Frau Erica Tietze-Conrat
Hans und Erika Tietze