Arcangel Images

https://licensing.arcangel.com/CS.aspx?VP3=DamView&VBID=2U1HZOX7DXP98&PN=1&WS=2U1K1EG9WZH&FR_=1&W=1920&H=937

Millennium Images

http://search.milim.com/result?keyWords=Den+Reader&results_per_page=60

Superstock

https://www.superstock.com/search?query=(subscription:yes,no)&text=den%20reader&page-size=50&sort=Relevance&page=2

Alamy

https://www.alamy.com/portfolio/393379.html

Trigger Images

https://www.greatbigcanvas.com/category/reader-den/

Flowerphotos

http://www.flowerphotos.com/search?s=den+reader

CONTEMPORARY PHOTOGRAPHY JOURNAL

(Royal Photographic Society) https://issuu.com/bjsdesign/docs/winter_2017_journal_final_for_issuu