System Information

 

Jacobs-Vogel System Summary Form, ACBL Convention Card
Mandell-Sorkin System Summary Form, ACBL Convention Card
Lehman-Melson System Summary Form, ACBL Convention Card

 

About the Players

 

George Jacobs
George Jacobs  
Claude Vogel
Vogel  
Jeff Mandell
Jeff Mandell  
Jon Sorkin
 Jon Sorkin
David Lehman
David Lehman  
Richard Melson
Richard Melson