@book{7329,
	title = {Library of congress subject headings},
	publisher = {Library of Congress, },
	year = {1993},
	address = {Washington: },
	edition = {16th ed. },
	note = {Vol. 1 (A-C) 
Vol. 2 (D-J) 
Vol. 3 (K-P) 
Vol. 4 (Q-Z)}
}