@book{104341,
	author = {Humphrey, S. D.},
	title = {A Practical Manual of the Collodion Process, Giving in Detail a Method For Producing Positive and Negative Pictures on Glass and Paper.},
	publisher = {Project Gutenberg,},
	year = {2020},
	address = {Salt Lake City, UT :},
	note = {Release date is 2020-10-21},
	url = {https://www.gutenberg.org/ebooks/63517}
}