D8760/F/LIB/6/4/7
"The North West Territories 1930, by F.H. Kitto
1930
Gell family of Hopton Hall, Wirksworth
Derbyshire Record Office
D8760/F/LIB/6/4/8
Canada's Arctic Islands: Reports on Canadian Expeditions, 1922-1926
1931
Harpur Crewe family of Calke