From The Public Domain Review:
“We wanted to do something for the PDR community in these strange and (for most) mainly house-bound times, and so we made you a colouring book — free to download and print off at home. In addition to the colourable cover, we’ve chosen twenty images from a wide range of artists, including Hokusai, Albrecht Dürer, Harry Clarke, Virginia Frances Sterrett, Jessie M. King, and Aubrey Beardsley. Arranged in vague order of difficulty — from a simple 17th-century kimono pattern to an intricate thousand-flowered illustration — we hope there is something for all ages and colouring prowess!
Download the PDF using this link: U.S. Letter size