Early Appy League existed 1911-14, and 1921-25:
http://www.baseball-reference.com/mi...e=APPY&class=D
I did quick (probably not complete) roster check and only found one Campbell:
http://www.baseball-reference.com/mi...d=campbe001hm-
May be him ??!!!
Edit to note both Bristol and Johnson City still in 2010 Appy !!