Barcode prefixes for each institution

31194: American

30530: Catholic

32884: Gallaudet

32777: George Mason

32882: George Washington

39020: Georgetown

30770: Georgetown Law

37010: Himmelfarb (some volumes have WRLC item barcodes)

35969: Howard

32883: Marymount

37090: Trinity

32105: UDC

37010: WRLC