E-books licensed by the library:
beck eLibrary - E-books from the publishers Vahlen, Schäffer-Poeschel, Haufe, UVK and Versus on economics [more information]
beck online - Legal comments and manuals on tax law [more information]
Beltz (via Content Select) - The entire e-book program on social work [more information]
Content Select - Many e-books by the publishers Kohlhammer, VDE-Verlag and the scholars-e-library (various publishers), as well as the entire e-book program of Beltz, O'Reilly and mitp-Verlag. [more information]
DATEV - 5 selected e-books on tax and finance [more information]
De Gruyter - E-books of the publishers DeGruyter, Birkhäuser, Oldenbourg, Böhlau, Transcript and Harvard University Press [more information]
Emerald insight - English e-books on business and economics
Encyclopedia of Electrochemical Power Sources[more information]
Hanser eLibrary - E-books on business, technology, mathematics, IT and science [more information]
IET E-Books - E-Books of the Institution of Engineering and Technology [more information]
Kohlhammer (via Content Select) - Selected e-books on social work and psychology [more information]
mitp-Verlag (via Content Select) - E-books on computer science and design (e.g. photography) [more information]
MIT Press E-Books (via IEEE) - Massachusetts Institute of Technology e-books on computer science and engineering [more information]
Nomos eLibrary - E-books and e-journals on social work and social economy [more information]
nwb - E-books on various tax issues, pensions, payroll and tax audits[more information]
O'Reilly (via Content Select) - The entire e-book program [more information]
O'Reilly - E-books and more of a variety of IT publishers (formerly Safari Books Online) [more information]
Packt Publishing: english e-books: Cloud & Networking, Game Development, IoT & Hardware, Mobile, Programming, Security, Web Development [more information]
scholars e-library (via Content Select) - E-books of various publishers on social work [more information]
SpringerLink - E-books and eJournals covering almost all subject areas [more information]
utb E-Books - E-books by utb [more information]
VDE-Verlag (via Content Select) - E-books on electrical engineering and construction [more information]
VR eLibrary - E-Books from Vandenhoeck&Ruprecht and Böhlau [more information]
Wiley E-Books - E-books on technology, architecture & construction, computer science, design, business [more information]
WISO - over 1500 e-books, mainly on economics [more information]
E-books for free available online:
Rheinwerk-Verlag - Computer science e-books (Galileo Computing books; however only old editions, the more recent ones are subject to a fee)