Dooin is the catcher for the Philadelphia Club of the National League. He made his appearance here as a public vocalist, appearing In white face as one of the olio numbers. Dooln has an excellent high baritone voice and sang two ballads with pleasing expression. Considering that it was Initial appearance he did very well, and a crowded house voiced Its approval. Handsome floral gifts were made. Many ball players, newspaper men and theatrical men, friends of the ball player, were present, and the occasion was one that would have filled even a veteran's heart with Joy.
Variety 9:7 (01/25/1908)