Fomin, D.V. 2021. Questions of collecting graphics in the correspondence of fine art experts and artists of the 1920s and 1930s: УДК 76.03/.09:7.074. The Art of Eurasia. 2 (21) (Jun. 2021), 132–149. DOI:https://doi.org/10.46748/ARTEURAS.2021.02.011.