11. I Format: Prints Collection: Stereograph Collection Date: [ca. 1932–1972] Institution: Boston Public Library
12. Y Format: Prints Collection: Stereograph Collection Date: [ca. 1932–1972] Institution: Boston Public Library
13. Цирк Игорь Кио Format: Posters; Prints Collection: Magic Posters Date: [ca. 1930–1969] Institution: Boston Public Library
14. Кио цирк Format: Posters; Prints Collection: Magic Posters Date: [ca. 1930–1969] Institution: Boston Public Library
15. Цирк Змиль Кио Format: Posters; Prints Collection: Magic Posters Date: [ca. 1930–1969] Institution: Boston Public Library
16. Игорь Кио Цирк Format: Posters; Prints Collection: Magic Posters Date: [ca. 1930–1969] Institution: Boston Public Library
17. Игорь Кио Цирк Format: Posters; Prints Collection: Magic Posters Date: [ca. 1930–1969] Institution: Boston Public Library
18. Игорь Цирк Кио Format: Posters; Prints Collection: Magic Posters Date: [ca. 1930–1969] Institution: Boston Public Library
19. Цирк Кио : Народный артист РСФСР Format: Posters; Prints Collection: Magic Posters Date: [ca. 1930–1969] Institution: Boston Public Library
20. Кио Format: Posters; Prints Collection: Magic Posters Date: [ca. 1930–1969] Institution: Boston Public Library