British Its Collectif

Bird Study Vol 22 N°4 December 1975 : The Journal Of The British Trust For Ornithology. Sommaire : Moult And Its Relation To Eruptive Activity In The Bearded Reedling - Ddt And Birds In A Kentish(...)

Brochure : London - A Brief Account Of Its Many Beautiful And Interesting Sights.

The British Museum And Its Collections