OAPEN (Open Access Publishing in European Networks)
2025
Books at JSTOR: Open Access
2025
DOAB Directory of Open Access Books
2021
DOAB Directory of Open Access Books
2023
DOAB Directory of Open Access Books
2024
DOAB Directory of Open Access Books
2022
OAPEN (Open Access Publishing in European Networks)
2022
DOAB Directory of Open Access Books
2013
Books at JSTOR: Open Access
2013
Project Muse Open Access ebooks
2013
DOAB Directory of Open Access Books
2018
ScienceDirect
2019