1. The 20th Century Series: The Thirties
by Mary Ellen Sterling 
Price: USD 16.18
Dealer: Biblio, Ergodebooks
Description: Teacher Created Resources, Date: 1996-11-01. Paperback. Good. 1996. Teacher Created Resources ISBN 1576900258 9781576900253 [US] 

2. The 20th Century Series: The Thirties
by Mary Ellen Sterling 
Price: USD 16.82
Dealer: Abebooks, Ergodebooks
Description: ISBN10: 1576900258, ISBN13: 9781576900253, [publisher: Teacher Created Resources] Softcover [Houston, TX, U.S.A.] [Publication Year: 1996]