John James Audubon Reference four volumes

[John James Audubon Reference] , four vols. incl., Peterson, Roger Tory & Virginia Marie. The Audubon Society Baby Elephant Folio.., New York, Abbeville Press, 1981, signed, full leather, #831 of 2500; Herrick. Audubon the Naturalist..., New York, Appleton, 1917 ; Proby. Audubon in Florida, Coral Gables, U. of Miami Press, 1974; and The Birds of America, New York, Macmillan Co., 1937, 4 vols