The series is divided into four subseries: Personal correspondence, Miscellany, Writings, and Family records.

Series P8 contains correspondence, scrapbooks, memorabilia, writings, and other private documents related to Tigert's personal and professional life.  Also included in the series are memorabilia and photocopies of correspondence of other members of the Tigert Family and the McTyerie Family, particularly his father, Bishop John James Tigert (1857?- 1906), and biographical information related to his maternal grandfather, Bishop Holland Nimmons McTyeire.