Bella Rosenfeld Chagall (Russian: Бэлла Розенфельд-Шагал, 1895, Vitebsk – September 2, 1944, New York State), was the wife of Marc Chagall and a writer. She was the subject of many of Chagall's paintings including Bella with White Collar in 1917.
Shishanov V. «These young people were socialists … ». Participants of revolutionary movement in Marc Chagall and Belly Rozenfeld's environment // Bulletin of the Museum of Marc Chagall. 2005. №13. P. 64-74. 
Shishanov, V. «Wishing to arrive...» (Documents on study Belly Rozenfeld on the Moscow higher female courses)// The Chagalovsky sbornik. Release. 3. Materials X - XIV Chagalovsky readings in Vitebsk (2000-2004). Minsk: «Riftur», 2008. P.176-182.