Vista Nieve. The Remarkable, True Adventures of an Early Twentieth-Century Naturalist and His Family in Colombia, South Americaby M. R. Carriker;Experiences of an Ornithologist along the Highways and Byways of Bolivia. Collecting Birds in an Isolated, Magnificent Land in the Nineteen Thirtiesby M. A. Carriker,; M. R. Carriker; R. C. Dalgleish;The Bird Call of the Río Beni. Adventures of Father and Son on an Ornithological Expedition in the Jungles of Western Bolivia, South America in 1934-1935. A Diary with Commentaryby M. R. Carriker