@book{64873,
	author = {Ban, Gu, and Yan, Shigu,},
	title = {漢書},
	publisher = {Project Gutenberg,},
	year = {2007},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/Book_of_Han},
	url = {https://www.gutenberg.org/ebooks/23841}
}