Spalding's Baseball Guide and Official League Book for 1895
“ The Batsmen must take their positions within the Batsmen's Lines, as defined in Rule 10, in the order in which they are named in the batting order, which batting order must be submitted by the Captains of the opposing teams to the Umpire before the game, and this batting order must be followed except in the case of a substitute player, in which case the substitute must take the place of the original player in the batting order. ”
