2021 in public domain (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "2021 in public domain" in English language version.

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14^th place

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332^nd place

246^th place

1,880^th place

1,218^th place

archive.today

"New copyright duration changes coming". Australian Government-Department of Communications & The Arts. Retrieved 23 April 2018.

Hirtle, Peter B. (3 January 2020). "Copyright Term and the Public Domain in the United States". Cornell University Library Copyright Information Center. Retrieved 8 December 2020.

Jenkins, Jennifer (12 December 2020). "Public Domain Day 2021". Center for the Study of the Public Domain. Duke University. Archived from the original on 31 December 2020. Retrieved 3 January 2022.

"Copyright and the Public Domain". Public Domain Information Project. Archived from the original on 1 August 2014. Retrieved 23 January 2019.

"Copyright and the Public Domain". Public Domain Information Project. Archived from the original on 1 August 2014. Retrieved 23 January 2019.
Jenkins, Jennifer (12 December 2020). "Public Domain Day 2021". Center for the Study of the Public Domain. Duke University. Archived from the original on 31 December 2020. Retrieved 3 January 2022.