The Brown Skua, Catharacta skua lonnbergi (Mathews) of South Georgia.
London: HMSO, 1956. Quarto, two plates, wrappers. Falkland Islands Dependencies Survey. Scientific Reports, number 14. More
London: HMSO, 1956. Quarto, two plates, wrappers. Falkland Islands Dependencies Survey. Scientific Reports, number 14. More
London: Falkland Islands Dependencies Survey, 1953. Quarto, four photographs, text illustrations, publisher's wrappers. Falkland Islands Dependencies Survey. Scientific Reports Number six. More
London: Falkland Islands Dependencies Survey, 1960. Quarto, 7 photographs, text illustrations, publisher's wrappers. Scientific Reports Number 23. More