Complete records are difficult to locate, but each season appeared to be around 15-30 league games per team, although some teams played only a handful of games.
RetroSeasons
RetroSeasons recaps past sports seasons through stories, photos, videos, and stats from every team, league, and stadium in history. Coverage includes the NBA, NFL, MLB and NHL, as well as vintage media from defunct teams and leagues.
National Association of Colored Baseball Clubs (NACB)
1909 NACB Season Overview
I sincerely appreciate the research work, and the information being shared. It is important and interesting history.