1785-1851 1823-1860 1867-1957 1868-1930 19thcentury 20thcentury agriculture audubon biography birds corn descriptionandtravel diaries ethics ethicsaudubon ethnologicalcollectionswilson ethnoornithology exhibitions floods folklore frontierandpioneerlife gilbertlivingstone hidatsaindians history indiansofnorthamerica johnjames juvenileliterature juvenileliteraturewilder lauraingalls maryhaskinparker mississippirivervalley missouririver mormonpioneers mormons mormonwomen naturalhistory naturalists pictorialworks pioneers richards riversteamers scientificexpeditions socialconditions sociallifeandcustoms travel travelaudubon unitedstates wildlifeartists womenpioneers