1 SVG standard images found on chesstempo website:
2 https://www4.chesstempo.com/images/pieces/svg/merida/whitepawn.vers1.svg (...)
3 + Adaptation for checkered pieces
4 Some fairy pieces found on the web and icon scout: https://iconscout.com/
5 PNG images for Eightpieces from https://greenchess.net/index.php and Jeff Kubach design.
6 Images of the Hawk and Elephant were designed by "Couch Tomato #2218" on Discord,
7 for the pychess-variants website (http://pychess-variants.herokuapp.com/)
9 https://commons.wikimedia.org/wiki/File:Font_P.svg
10 https://commons.wikimedia.org/wiki/File:Font_R.svg
11 https://svgsilh.com/image/3203304.html