Publications
Edmund Langdon of Battle, by E. T. [Edward Turner], published 1865 in Sussex Archæological Collections (vol. 17, notes & queries, p.246) accessible at: W.S.R.O. [Lib 2102] & The Keep [LIB/500236] & S.A.S. library View Online
Obituary: The Reverend Percy G. Langdon, F.S.A., by F. B. S. [F. B. Stevens], published November 1954 in Sussex Notes & Queries (vol. XIV nos. 3 & 4, article, pp.71-72) accessible at: W.S.R.O. [Lib 8232][Lib 2213] & The Keep [LIB/500216] & S.A.S. library