There are since 13.04.2021 155 new entries:
- Radiology: Artificial Intelligence (älter als 12 Monate)
- Radiology: Cardiothoracic Imaging
- Radiology: Imaging Cancer
- Rechtskultur : Zeitschrift für europäische Rechtsgeschichte
- Reflexionen : Jahresmagazin der Stiftung Gedenkstätten Buchenwald und Mittelbau-Dora
- Revista Mexicana de Angiología
- Revista Mexicana de Medicina Familiar (RMMF)
- Rhinology Online
- Rocznik Kaliski
- Rocznik Mazowiecki
- Rocznik Wołomiński
- Saeculum Christianum
- Scientific papers of the University of Pardubice / Series D: Faculty of Economics & Administration
- SFV magasinet
- Small science
- Smart and Resilient Transportation
- Smart Energy
- SmartMat
- Sovremennye issledovanỉja socialnych problem = Modern studies of social issues
- Space: Science & Technology
- SPE polymers
- Strategies in Trauma and Limb Reconstruction (STLR)
- Studia z dziejów wojskowości
- Summary of the Bulletin of the International Seismological Centre
- Surgery Open Digestive Advance
- SusMat
- Swedish House of Finance Research Paper
- Swiatowit : annual of the Institute of Archaeology of the University of Warsaw