1. Upper tangent arc to the 22° solar halo;Davies;Weather,1966
2. The Berkshire halo display of 11 May 1965;Goldie;Weather,1968
3. Halo display at Bracknell, Berkshire, on 11 May 1965;Pilsbury;Met. Mag.,1965
4. The perspective of photographs;Tricker;Weather,1970