George Allen, 1933, 10 May, Uffington, Oxfordshire, Black and white photograph, Ashmolean Museum, LL/73136

George Allen, 1984, Book cover for G. W. G. Allen, J. S. P. Bradford (ed.), O. G. S. Crawford (ed.), 1984, Discovery from the air, (Aerial Archaeology Publications), Volume 10 of Aerial archaeology, Book cover, Ashmolean Museum, LL/73127

George Allen, 1933, 27 August, Chaddleworth, Woolley Down, Berkshire, Black and white photograph, Ashmolean Museum, LL/73134

George Allen, 1933, 5 June, Dorchester, Oxfordshire, Black and white photograph, Ashmolean Museum, LL/73133

George Allen, 1933, 12 August, Uffington, Oxfordshire, Black and white photograph, Ashmolean Museum, LL/73135

George Allen, 1933, 5 June, Northfield Farm, Long Wittenham, Oxfordshire, Oxfordshire, Black and white photograph, Ashmolean Museum, LL/73132