^"Timeline of the open access movement: 2003". Open Access Directory. US: Simmons College. Retrieved 20 February 2018.
^Bo-Christer Björk (2017), "Growth of hybrid open access, 2009–2016", PeerJ, 5: e3878, doi:10.7717/peerj.3878, PMC5624290, PMID28975059
^"Policy: Open Science (Open Access): Chronology". European Commission. Archived from the original on 26 October 2015.
^"Project Factsheets: OpenAIRE Project". Openaire.eu. Retrieved 4 March 2018.
^Eloy Rodrigues (2009), DRIVER and COAR: from infrastructure to confederation(PDF) – via Stellenbosch University, DSpace User Group Meeting, Sweden
^Birgit Schmidt; Iryna Kuchma (2012). Implementing Open Access Mandates in Europe: OpenAIRE Study on the Development of Open Access Repository Communities in Europe. Universitätsverlag Göttingen. ISBN 978-3-86395-095-8 – via Open Access Publishing in European Networks (OAPEN).
^"Web widget nudges scientists to share their data: Open Data Button launched to encourage public sharing of data sets", Nature, 532 (7597), 10 March 2016, doi:10.1038/nature.2016.19542
^Singh Chawla, Dalmeet (14 November 2017), "Need a paper? Get a plug-in", Nature.com, 551 (7680), pp. 399–400, Bibcode:2017Natur.551..399., doi:10.1038/d41586-017-05922-9, A collection of web-browser plug-ins is making the scholarly literature more discoverable
^"Tag 'oa.kopernio'". Open Access Tracking Project. Harvard University. OCLC 1040261573. Retrieved 14 June 2018.
Mikael Laakso; et al. (2011). "Development of Open Access Journal Publishing from 1993 to 2009". PLOS One. 6 (6): e20961. Bibcode:2011PLoSO...620961L. doi:10.1371/journal.pone.0020961. PMC3113847. PMID21695139.
"Evolution of Open Access: A Brief History", SciElo in Perspective, Brazil: SciElo, 21 October 2013. (Timeline)
Marie Lebert (2015), Open Access: a "chronology" (or timeline)
Peter Suber. "History of open access". Harvard University. Compilation of Peter Suber's contributions to the history of open access, 1992–present.
"Timeline of the open access movement". Open Access Directory. This timeline was created and initially maintained by Peter Suber, who crowd-sourced it in February 2009 by moving it to the Open Access Directory.