Wild paradise; the story of the Coto Do~nana expeditions.

by Mountfort, Guy
Boston, Houghton, Mifflin, 1958
[1st American ed.]

A field guide to the birds of Britain and Europe /

by Peterson, Roger Tory, 1908-1996
Boston : Houghton Mifflin, 1967
2nd ed., rev. and enlarged /

Portrait of a desert; the story of an expedition to Jordan.

by Mountfort, Guy
Boston, Houghton Mifflin, 1965
[1st American ed.]

A field guide to the birds of Britain and Europe /

by Peterson, Roger Tory, 1908-1996, Mountfort, Guy, Hollom, P. A. D. (Philip Arthur Dominic)
Boston, Houghton Mifflin, 1966
2d ed., rev. and enl.

A field guide to the birds of Britain and Europe /

by Peterson, Roger Tory, 1908-1996
Boston : Houghton Mifflin, 1974
New rev. 3d ed. /