1. Revolvy.com: Hippolyte Bayard (French, 1801–1887).
https://www.revolvy.com/topic/Hippolyte
Bayard&item_type = topic
2. Loc.gov: Civil War Glass Negatives and Related Prints.
https://www.loc.gov/pictures/collection/cwp/mystery.html
(2008)
3. Photo Tampering Throught History.
http://pth.izitru.com/
4. Tait, A.: How a badly faked photo of Vladimir Putin took over Twitter.
http://www.newstatesman.com/science-tech/social-media/2017/07/how-badly-faked-photo-vladimir-putin-took-over-twitter
(2017)
5. Tyagi, V.: Understanding Digital Image Processing. CRC Press (2018). ISBN 9781315123905