Platt, Henry John, Autobiographical sketch, in 14th Quorum, Biographies, in Seventies Quorum, Records, 1844-1975
- Platt, Henry John, Autobiographical sketch, in 14th Quorum, Biographies, in Seventies Quorum, Records, 1844-1975. Transcript for Platt, Henry John, Autobiographical sketch, in 14th Quorum, Biographies, in Seventies Quorum, Records, 1844-1975