Glenn E Hartleb vs Lewis J Isaacs
49th US Open Baltimore, MD USA round 11 1948.07.16
Nimzo-Indian Defense: Classical Variation, Milner-Barry Variation 1-0

Lewis J Isaacs vs Abraham Kupchik
2nd NCF Congress Bradley Beach, NJ USA round 4 1928.09.08
Sicilian Defense: Najdorf Variation, Opocensky Variation 0-1