Vyskochko, L.V. and Shelaeva, A.A. 2018. Grand Duke Nikolai Pavlovich as a Caricaturist: Who is “Ouf!” Depicted on the Caricature from the Winter Palace Library’s Collection of His Drawings. Actual Problems of Theory and History of Art. 8, (Oct. 2018), 291–300. DOI:https://doi.org/10.18688/aa188-3-27.