1. The Conscience of the Revolution: Communist Opposition in Soviet Russia
by Robert Vincent Daniels 
Price: USD 204.70
Dealer: Abebooks, Books Unplugged
Description: ISBN10: 0671203878, ISBN13: 9780671203870, [publisher: Simon and Schuster] 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: 1969]  

2. The Conscience of the Revolution: Communist Opposition in Soviet Russia
by Robert Vincent Daniels 
Price: USD 251.23
Dealer: Abebooks, Wizard Books
Description: ISBN10: 0671203878, ISBN13: 9780671203870, [publisher: Simon and Schuster] Softcover New [Long Beach, CA, U.S.A.] [Publication Year: 1969]  

3. The Conscience of the Revolution: Communist Opposition in Soviet Russia
by Robert Vincent Daniels 
Price: USD 253.10
Dealer: Abebooks, GoldBooks
Description: ISBN10: 0671203878, ISBN13: 9780671203870, [publisher: Simon and Schuster] Softcover New Copy. Customer Service Guaranteed [Denver, CO, U.S.A.] [Publication Year: 1969]