1. Medieval Political Thought (Peregrine books)
by Ullmann, Walter 
Price: USD 8.51
Dealer: Abebooks, Hawking Books
Description: ISBN10: 0140551026, ISBN13: 9780140551020, [publisher: Penguin Books] Softcover Good Condition. Five star seller - Buy with confidence! [Edgewood, TX, U.S.A.] [Publication Year: 1976]  

2. Medieval Political Thought Peregrine Books
by Walter Ullmann 
Price: USD 55.75
Dealer: Biblio, Ergodebooks
Description: Puffin, Date: 1976-04-30. Paperback. Good. 1976. Puffin ISBN 0140551026 9780140551020 [US] 

3. Medieval Political Thought
by Ullmann, Walter 
Price: USD 67.30
Dealer: Abebooks, Books Unplugged
Description: ISBN10: 0140551026, ISBN13: 9780140551020, [publisher: Penguin Books] Softcover Buy with confidence! Book is in good condition with minor wear to the pages, binding, and minor marks within [Amherst, NY, U.S.A.] [Publication Year: 1976]  

4. Medieval Political Thought
by Ullmann, Walter 
Price: USD 68.18
Dealer: Abebooks, Wizard Books
Description: ISBN10: 0140551026, ISBN13: 9780140551020, [publisher: Penguin Books] Softcover New [Long Beach, CA, U.S.A.] [Publication Year: 1976]  

5. Medieval Political Thought
by Ullmann, Walter 
Price: USD 70.01
Dealer: Abebooks, GoldBooks
Description: ISBN10: 0140551026, ISBN13: 9780140551020, [publisher: Penguin Books] Softcover New Copy. Customer Service Guaranteed [Denver, CO, U.S.A.] [Publication Year: 1976]  

6. Medieval Political Thought
by Ullmann, Walter 
Price: USD 95.73
Dealer: AbebooksUK, dsmbooks
Description: ISBN10: 0140551026, ISBN13: 9780140551020, [publisher: Penguin Books] Softcover Good [liverpool, United Kingdom] [Publication Year: 1976]