E-books collections related to the subjects of the area of sciences and its terms of use are:
- Cambridge books
- E-libro
- Ebsco e-book
- Elsevier E-books Elibrary
- Ingebook Ebooks
- Odilo
- OECD iLibrary
- Oxford Reference Online
- Royal Society of Chemistry E-books
- ScienceDirect E-books o Elsevier E-books
- SpringerLink E-books
- Willey E-books
- Dawson ebooks
- Panamericana editorial ebooks
- Digitalia