The Transcript OPEN Library Political Science Model: A Sustainable Way into Open Access for E-Books in the Humanities and Social Sciences. - Alexandra Jobmann; Nina Schönfelder (Publ., 2019)

Article processing charges: Mirroring the citation impact or legacy of the subscription-based model? - Nina Schönfelder (Quant. Sci. Stud., 2020)

An open dataset of article processing charges from six large scholarly publishers (2019-2023). - Leigh-Ann Butler; Madelaine Hare; Nina Schönfelder; Eric Schares; Juan Pablo Alperin; Stefanie Haustein (CoRR, 2024)

Estimating global article processing charges paid to six publishers for open access between 2019 and 2023. - Stefanie Haustein; Eric Schares; Juan Pablo Alperin; Madelaine Hare; Leigh-Ann Butler; Nina Schönfelder (CoRR, 2024)