1. The Variational Principles of Mechanics
by Lanczos, Cornelius 
Price: USD 47.92
Dealer: Alibris, ThriftBooks-Dallas via Alibris
Description: University of Toronto Press 1970 4th ed. Hardcover Fair Former library book; Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. 

2. The Variational Principles of Mechanics
by Lanczos, Cornelius 
Price: USD 49.61
Dealer: Abebooks, ThriftBooks-Dallas
Description: ISBN10: 0802017436, ISBN13: 9780802017437, [publisher: University of Toronto Press] Hardcover Former library book; Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less 1.65 [Dallas, TX, U.S.A.] [Publication Year: 1970]  

3. The Variational Principles of Mechanics
by Lanczos Cornelius 
Price: USD 51.92
Dealer: Biblio, ThriftBooks
Description: University of Toronto Press, Date: 1970. Hardcover. Acceptable. Former library book; Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed. 1970. University of Toronto Press ISBN 0802017436 9780802017437 [US] 

4. The variational principles of mechanics (Mathematical expositions)
by Lanczos, Cornelius 
Price: USD 94.02
Dealer: Abebooks, Books of the Smoky Mountains
Description: ISBN10: 0802017436, ISBN13: 9780802017437, [publisher: University of Toronto Press] Hardcover Slightly Used Copy [Del Rio, TN, U.S.A.] [Publication Year: 1970]  

5. The Variational Principles of Mechanics (Mathematical Expositions)
by Lanczos, Cornelius 
Price: USD 179.95
Dealer: Alibris, Book Forest via Alibris
Description: University of Toronto Press 1970 4th ed. Other Good Text block firm and clean, binding unblemished, boards straight, without highlights or underlining. Without dust wrapper. Well packaged and promptly shipped from California. Partnered with Friends of the Library since 2010. 

6. The variational principles of mechanics Mathematical expositions
by Lanczos Cornelius 
Price: USD 179.95
Dealer: Biblio, The Book Forest
Description: UsedGood. Text block firm and clean, binding unblemished, boards straight, without highlights or underlining. Without dust wrapper. Well packaged and promptly shipped from California. Partnered with Friends of the Library since 2010. ISBN 0802017436 9780802017437 [US] 

7. The variational principles of mechanics (Mathematical expositions)
by Lanczos, Cornelius 
Price: USD 179.95
Dealer: Abebooks, thebookforest.com
Description: ISBN10: 0802017436, ISBN13: 9780802017437, [publisher: University of Toronto Press] Softcover Text block firm and clean, binding unblemished, boards straight, without highlights or underlining. Without dust wrapper. Well packaged and promptly shipped from California. Partnered with Friends of the Library since 2010. [San Rafael, CA, U.S.A.] [Publication Year: 1970]  

8. The variational principles of mechanics (Mathematical expositions)
by Lanczos, Cornelius 
Price: USD 351.04
Dealer: Abebooks, GoldenWavesOfBooks
Description: ISBN10: 0802017436, ISBN13: 9780802017437, [publisher: University of Toronto Press] Hardcover New. Fast Shipping and good customer service [Fayetteville, TX, U.S.A.] [Publication Year: 1970]  

9. The variational principles of mechanics (Mathematical expositions)
by Lanczos, Cornelius 
Price: USD 354.28
Dealer: Abebooks, Wizard Books
Description: ISBN10: 0802017436, ISBN13: 9780802017437, [publisher: University of Toronto Press] Hardcover New [Long Beach, CA, U.S.A.] [Publication Year: 1970]  

10. The variational principles of mechanics (Mathematical expositions)
by Lanczos, Cornelius 
Price: USD 354.85
Dealer: Abebooks, GoldBooks
Description: ISBN10: 0802017436, ISBN13: 9780802017437, [publisher: University of Toronto Press] Hardcover New Copy. Customer Service Guaranteed [Denver, CO, U.S.A.] [Publication Year: 1970]