Publications
Penfolds of Arundel: agricultural engineers, 1833-1983, by Frank Penfold, published 1983 (booklet) accessible at: W.S.R.O. [Lib 15621]
Sussex Wildlife Trust, A History from 1961 to 1996, by Frank Penfold, published 1996 (Sussex Wildlife Trust, ISBN-10: 1898388091 & ISBN-13: 9781898388098) accessible at: West Sussex Libraries
Report on the Natural History and Habitats of the Parish of Burpham, West Sussex with additional notes on Local History and Geography, by Frank Penfold, published 2001 (published by the author) accessible at: West Sussex Libraries