457,689 Works

Registration Year

  • 2014
    457,689

Resource Types

  • Text
    457,689

Data Centers

  • Deutsches Institut für Erwachsenenbildung
    257,116
  • ResearchGate
    74,205
  • E-Periodica
    41,589
  • Rutgers University Community Repository (RUcore)
    9,111
  • Archaeology Data Service
    6,445
  • University Library Heidelberg
    6,184
  • German Medical Science
    6,096
  • European Society of Radiology
    5,460
  • Università degli Studi di Firenze
    5,425
  • Università degli Studi di Bologna
    5,037
  • e-rara.ch
    4,869
  • Oregon Health Sciences University
    3,643
  • TIB Hannover
    3,372
  • Zenodo
    3,206
  • Columbia University Libraries
    2,568