Harry Davidson vs Henry Edward Bird
4th American Chess Congress Philadelphia, PA USA round 11 1876.08.28
Ruy Lopez: Bird Variation 0-1

Harry Davidson vs Albert Roberts
4th American Chess Congress Philadelphia, PA USA round 8 1876.08.24
Ruy Lopez 1/2-1/2

Albert Roberts vs Harry Davidson
4th American Chess Congress Philadelphia, PA USA round 7 1876.08.23
King’s Gambit Accepted 0-1

Harry Davidson vs Horatio Caro
New York - Berlin m Cable Match round 1.1 1905.11.11
Caro-Kann Defense: Exchange Variation 1/2-1/2

Harry Davidson vs Jacob Elson
Philadelphia Philadelphia round 1 1876.??.??
French Defense: Exchange Variation 0-1