Chess Journal, 1872-1886 (6th Tourney)
Ran for almost 14 years (incompletely known)
Digital Chess Problems
Dutch Chess Association, 1875
(incomplete)
The Globe (Buffalo), 1876
Boston Weekly Globe, 1876
Early informal tourney? (incomplete)
Canadian Chess Association, 1874 (3rd Meeting, Montreal, 1874)
Partially international (incomplete)