References
Isaac Soyer / Employment Agency / 1937. (2017). Davidrumsey.com. Retrieved 23 January 2017, from http://www.davidrumsey.com/amica/amico866511-124023.html
Nicolai Cikovsky - Biography. (2017). Rogallery.com. Retrieved 23 January 2017, from http://rogallery.com/Cikovsky_Nicolai/cikovsky-biography.html
U.S. Department of State - Art in Embassies . (2017). Art.state.gov. Retrieved 23 January 2017, from http://art.state.gov/artistdetail.aspx?id=141768
JACOB BURCK. (2017). Nytimes.com. Retrieved 23 January 2017, from http://www.nytimes.com/1982/05/13/obituaries/jacob-burck.html
Jacob Burck Online. (2017). Artcyclopedia.com. Retrieved 23 January 2017, from http://www.artcyclopedia.com/artists/burck
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Soyer, Isaac. Employment Agency. 1937. Brooklyn Museum
Burck, Jacob. The Lord Provides. 1934. Cleveland Museum of Art
Cikovsky, Nicolia, Jr. One The East River. 1934.