https://forum.lettucecraft.com/t/experiments-with-anthotype-turmeric-sun-printing/30325
https://www.alternativephotography.com/turmeric-curcuma-longa-anthotype-by-lauren-miller/
https://www.streetlevelphotoworks.org/mediaLibrary/other/english/26283.pdf
https://www.acs.org/education/celebrating-chemistry-editions/2024-ncw/sun-prints.html
https://www.hw.ac.uk/documents/Post-13-Light-Patterning_Anthotypes_Printing-with-.pdf