- 1947:Birds of Trinidad and Tobago
- 1951:Fuglene i Britisk Honduras
- 1953:Robinens liv
- 1961:New Zealands fugle
- 1962:Verdens fasaner
Artikler
- "Fuglelivet i Trinidad og Tobago" (1941)
- "The Bird Life of British Honduras" (1942)
- "The Life of the Robin" (1943)
- "The Birds of New Zealand" (1944)
- "Verdens fasaner" (1945)