Indeksy

• Interim Treasury Committee for Polish Question, 1
• Interim, 2
• Intern Buchkunst-Ausstellung, 1
• Intern. Exhib., 1
• International Art's Gallery, 1
• International Atomic Energy Agency, 1
• International Cartographic Information Center, 1
• International Centre of Onomastics, 1
• International Committee of historical Sciences, 1
• International Cultural Centre, 1
• International Institute of Ethnolinguistic and Oriental Studies, 1
• Internationale Bibliothek, 3
• Internationale Traktatgesellschaft, 2
• Interpres, 1
• Interpress ; 1
• Interpress, 22
• Interwers, 1
• Interwest, 1
• Intro-Druk, 1
• Io. Müller, 1