A book by Flora Screiber says, Mary, Peggy Lou, Vicky & Vanessa were 4 of this title character's 16 personalities
[DOC] [TLE] The Many Voices of Sybil | Mason's Road [PAR] The answer is Peggy Lou Baldwin, a spunky and itinerant young girl, and one of 
the sixteen ... Flora Rheta Schreiber's Sybil is the story of a woman with multiple 
... Schreiber breathes life into the titular character's alternating personalities by ... 
Marcia has her Book-of-the-Month Club to fret over, and Vanessa keeps busy 
with... [DOC] [TLE] Was "Sybil" (Shirley Mason) really a multiple personality?