@book {Putnam1896,
	title = {Books and Their Makers during the Middle Ages},
	volume = {1},
	year = {1896},
	publisher = {G. P. Putnam{\textquoteright}s sons},
	organization = {G. P. Putnam{\textquoteright}s sons},
	address = {New York},
	author = {Putnam, George Haven}
}
