The encyclopedia of sea mammals.
London: Hart-Davis, MacGibbon, 1977. Small quarto, colour plates, photographs, dustwrapper. More
London: Hart-Davis, MacGibbon, 1977. Small quarto, colour plates, photographs, dustwrapper. More
London: Pyramid Books, 1991. Small quarto, photographs, fine copy in dustwrapper. More
Washington: Smithsonion Press, 1966. Quarto, text illustrations. More