Spalding's Baseball Guide and Official League Book for 1889
“ But in the case of the first base being occupied by a base runner, when only one man is out, when the third strike is called, in such case the batsman is out on called strikes, whether the ball on the third called strike is held on the fly or not. The batsman is out too,—under the new rule—if, when the thud strike is called, the pitched ball hits him or touches his clothing. ”
