Indeksy

• Instytut Zagłębiowski Wyższej Szkoły Humanitas ; 1
• Instytut Zootechniki - Państwowy Instytut Badawczy, 1
• Instytut Zootechniki. Państwowy Instytut Badawczy, 1
• Instytut Związków Zawodowych, 3
• Instytut Żywności i Żywienia, 3
• inter esse, 1
• Interart, 2
• International Association of Ontokinesiologists, 5
• International Council for Health, Physical Education, Recreation, Sport and Dance Cooperatively American Alliance for Health, Physical Education, Recreation, and Dance, 1
• International Council for Health, Physical Education, Recreation, Sport and Dance, 1
• International Scientific Society of Sport Games, 2
• International Tennis Federation, 9
• International Tennis Federation, ITF Ltd., 1
• International Wing Tsun Leung Ting Martial-Art Association, International Headquarters, 1
• INTERPRESS PUBLISHERS, 2
• Interpress, 18
• INTERPRESS, 1
• Intersoftland, 1
• Interspar, 2
• Interster Yachting, 1