1911 Ticehurst, N.F. & Jourdain, F.C.R. On the distribution of the Nightingale durring the breeding season.
Brit. Birds (1911). 5(1):pp.4,14.
The whole documenmt can be downloaded as a PDF file from below
A review of the status of the Nightingale in Britain, here on p.14 the account based on material submitted by Forrest augmented with a record by Owen