| #1281 | UNIX & open systems service, Edice: Information technology solutions. -- Delran : Datapro Information Services Group, 1991-. -- ISSN 1083-1851 |
| #1282 | UNIX review : The magazine of advanced operating environments. -- San Francisco : Miller Freeman, 1983-1998. -- ISSN 0742-3136 |
| #1283 | UNIX review's performance computing. -- San Francisco : Miller Freeman, 1998-1999. -- ISSN 1098-7150 |
| #1284 | UNIXworld : Mcgraw-Hill’s Magazine of Open Systems Computing. -- San Mateo, CA : McGraw-Hill, 1984-1996. -- ISSN 0739-5922 |
| #1285 | UnixWorld's open computing. -- Kalifornie - Spojené státy americké : San Mateo : McGraw Hill, 1994-. -- ISSN 1072-4044 |
| #1286 | Upgrade IT! : Měsíčník o ICT pro firemní řešení. -- Brno : Thomas Taylor, 2005-. -- ISSN 1801-5026 |
| #1287 | Upravljajuščije sistemy i mašiny. -- Kyjiv : Naukova Dumka, 1972-. -- ISSN 0130-5395 |
| #1288 | Urban systems. -- New York : Pergamon, 1977-1979. -- ISSN 0147-8001 print. -- ISSN 1878-3953 online |
| #1289 | VARbusiness. -- Manhasset : CMP Publications, 1985-. -- ISSN 0894-5802 |
| #1290 | Vaše kancelář : kancelářská a výpočetní technika, nábytek a interiéry, služby. -- Praha : MCH marketing, 1995-1997. -- ISSN 2533-3720 |