51. American Singing Groups: A History From 1940 to Today
by Warner Jay 
Price: USD 62.24
Dealer: Biblio, GridFreed LLC
Description: Hal Leonard, Date: 2006-04-01. Paperback. New. New. In shrink wrap. Looks like an interesting title! 2006. Hal Leonard ISBN 0634099787 9780634099786 [US] 

52. American Singing Groups: A History From 1940 to Today
by Warner, Jay 
Price: USD 69.81
Dealer: Abebooks, Wizard Books
Description: ISBN10: 0634099787, ISBN13: 9780634099786, [publisher: Hal Leonard] Softcover New [Long Beach, CA, U.S.A.] [Publication Year: 2006]