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Henry R Wagner's The plains and the Rockies;a bibliography of original narratives of travel and adventure 1800-1865Bookद्वारा Wagner, Henry R. (Henry Raup), 1862-1957
प्रकाशित 1937 -
Six-guns and saddle leather;a bibliography of books and pamphlets on western outlaws and gunmenBookद्वारा Adams, Ramon F. (Ramon Frederick), 1889-1976
प्रकाशित 1969