All academic and private publishers maintain recommendations for the specific way each wants their authors to create and submit images. Consult with your publisher first.
If you don’t yet have a publisher or are collecting images for future publication, these publisher websites are good examples.
Just need Copyright information? Head to the Copyright and Fair Use page.
“Photopolicy shaming." intro to K. Rudy, Piety in Pieces: How Medieval Readers Customized their Manuscripts (Open Book Publishers 2016) xiv.” link
