@book{103464,
	author = {Bruechig, Emil,},
	title = {The History and Romance of Air Mail Stamps},
	publisher = {Project Gutenberg,},
	year = {2020},
	address = {Salt Lake City, UT :},
	note = {Release date is 2020-07-14},
	url = {https://www.gutenberg.org/ebooks/62640}
}