Photographs of wildlife (mainly flamingos), a safari with Prince Bernhard to Ethiopia in 1969, and portraits of Brown. With a small number of related negatives and three letters. Some of the photographs were used in the article 'A Flamingo Mystery Solved: Nesting Grounds of the Lesser Flamingo on an East African Soda Lake' ( Country Life, vol. 117, iss. 3027, 20 Jan 1955) and in the book The Mystery of the Flamingos (1959).