The DEUQUA collection of books and journals is located in Halle and can be accessed via the Online Public Access Catalogue (OPAC). Books and journal issues can be loaned upon registration on site or ordered as photocopies via Gemeinsame Bibliotheksverbund GBV or Subito. Note that it not possible to perform a literature search of the DEUQUA library itself as it is part of the larger library in Halle.