Книги по современной истории и по древней истории www.forgottenbooks.com/Medieval_to_Early_Modern...
Биография Ньютона en.wikipedia.org/wiki/Ernest_Newton
www.victorianweb.org/art/architecture/newton/in...
www.chislehurst-society.org.uk/Pages/About/Peop...
Спектейтор archive.spectator.co.uk/page/24th-july-1926/1
И акварелист Макдональд www.artvalue.com/artist--macdonald-alister-will...