Indeksy

• 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
• Ios. Roth'sche Verlagsh., 1
• Iota Unum, 1
• IPC Magazines LTD., 1
• IPK "Vesti" 1
• IPKA "Pablisiti" - IKF "Konstantin", 1
• IPN ; 1
• IPN : 1