| Backfile | Ukrainian Mathematical Journal | 1967-1999 | Springer LINK |
| Ukrainian Mathematical Journal | 1997-present | Springer LINK |
| e-book | Ultrahigh-Pressure Metamorphism | 2011 | ScienceDirect |
| Ultramicroscopy | 1975-present | ScienceDirect |
| Ultrasonic Imaging | 1979-1994 | ScienceDirect |
| Ultrasonics | 1963-1994 | ScienceDirect |
| Ultrasonics Sonochemistry | 1994-1994 | ScienceDirect |
| ULTRASOUND IN OBSTETRICS & GYNECOLOGY | 1991-present | Wiley-Blackwell |
| Open Access | UMK Procedia | 2014-Full-text available only | ScienceDirect |
| Open Access | Underground Space | 2016-present | ScienceDirect |
| Free e-book | Understanding Emotions in Mathematical Thinking and Learning | 2017 | ScienceDirect |
| e-book | Une évaluation Rapide de la Biodiversité Marine des Récifs Coralliens du Mont Panié, Province Nord, Nouvelle Calédonie | 2008-2008 | BioOne |
| Backfile | Unfallchirurgie : Zeitschrift für Unfallchirurgie und Rehabilitation | 1975-1999 | Springer LINK |
| Universal Access in the Information Society | 2001-present | Springer LINK |
| Backfile | The University Journal of Business | 1922-1927 | JSTOR |
| Backfile | University Resources in the United States and Canada for the Study of Linguistics | 1971-1971 | JSTOR |
| Backfile | Unternehmensforschung = Operations research | 1956-1971 | Springer LINK |
| DIE UNTERRICHTSPRAXIS/TEACHING GERMAN | 2004-present | Wiley-Blackwell |
| Open Access | The Upper Guinea Coast in Global Perspective | 2016 | JSTOR |
| Free | Urban and Regional Planning Review | 2014-present | J-STAGE |
| Backfile | Urban Ecosystems | 1997-1999 | Springer LINK |
| Urban Ecosystems | 1997-present | Springer LINK |
| Backfile | Urban Forum | 1990-1999 | Springer LINK |
| Urban Forum | 1997-present | Springer LINK |
| Open Access | Urban Rail Transit | 2015-present | Springer LINK |
| Backfile | The Urban Review | 1967-1999 | Springer LINK |
| The Urban Review | 1997-present | Springer LINK |
| Urban Systems | 1977-1979 | ScienceDirect |
| Urolithiasis | 1997-present | Springer LINK |
| Backfile | Urological Research | 1973-1999 | Springer LINK |
| Open Access | Urological Science | 2010-present | ScienceDirect |
| Backfile | Urologic Radiology | 1979-1992 | Springer LINK |
| Backfile | Urology and nephrology | 1969-1969 | Springer LINK |
| Open Access | Urology Case Reports | 2013-present | ScienceDirect |
| Ursus | 2004-present | BioOne |
| Backfile | Ursus | 1998-2013 | JSTOR |
| Backfile | User Modeling and User-Adapted Interaction | 1991-1999 | Springer LINK |
| User Modeling and User-Adapted Interaction | 1997-present | Springer LINK |
| USSR Computational Mathematics and Mathematical Physics | 1962-1990 | ScienceDirect |
| Utilities Policy | 1990-1994 | ScienceDirect |
| uwf UmweltWirtschaftsForum | 2007-present | Springer LINK |
