Spalding's base ball guide, and official league book for 1894
Law 3 (the umpires)
Law 3 (the umpires)
Baseball rules - Wikiwand
The Art of Base Ball Batting on Apple Books
Spalding's Baseball Guide and Official League Book For 1895, PDF, Project Gutenberg
Spalding's base ball guide, and official league book for : a
Spalding's Base Ball Guide And Official League Book for 1894
1909) Spalding Official Athletic Almanac, PDF, Track And Field