OOutdoor adventuresOutdoor adventuresde Hal H. HarrisonMateriasJuvenile literatureNatural historyOutdoor booksEdiciones (1)Outdoor adventures (1951)Vanguard Press · inglésMás obras de Hal H. HarrisonThe World of the snakeField Guide to Western Birds' NestsWWood Warbler's WorldWood Warbler's World
BBirds' nests of 520 species found breeding in the United StaBirds' nests of 520 species found breeding in the United States west of the Mississippi River
