Common Exhibitions of Erma Bossi and Sergey Gruzenberg
Dec 17, 1909‒Feb 6, 1910
(Dec 4, 1909‒Jan 24, 1910 o.S.)
Салон. Интернациональная выставка картин, скульптуры, гравюры и рисунков [Salon. Internaczionalʹnaya vy'stavka kartin, skulʹptury', gravyury' i risunkov : Salon. International Exhibition of Paintings, Sculpture, Prints and Drawings]
Feb 26‒Mar 27, 1910
(Feb 13‒Mar 14, 1910 o.S.)
Салон. Интернациональная выстака картин, скульптуры, гравюры и рисунков [Salon. Internaczionalʹnaya vy'staka kartin, skulʹptury', gravyury' i risunkov : Salon. International Exhibition of Paintings, Sculpture, Prints and Drawings]