She prints these images using the historic photographic processes of gum bichromate and cyanotype. She has been teaching non-silver printmaking processes for over twelve years at The University of the Arts in Philadelphia. She also teaches darkroom photography and alternative processes at Mercer County College, NJ. She has contributed to A Non-silver Manual by Sarah Van Keuren and has work published in The Book of Alternative Processes, Second Edition by Christopher James and Gum Printing and Other Amazing Contact Printing Processes by Christina Z. Anderson. Her award-winning images have been exhibited internationally and are in public, corporate and private collections www.SandraCDavis.com