Use these sources ONLY: https://www.jstor.org/stable/4381285 https://www.jstor.org/stable/j.ctt2005zbj.9 https://www.jstor.org/stable/776791 https://monoskop.org/images/6/65/Rowell_Margit_Rudenstine_Angelica_Zander_Art_of_the_Avant-Garde_in_Russia_Selections_from_the_George_Costakis_Collection.pdf https://monoskop.org/images/8/86/Bowlt_John_E_ed_-_Russian_Art_of_the_Avant-Garde_Theory_and_Criticism_1902-1934.pdf https://www.moma.org/documents/moma_catalogue_448_300063127.pdf