1902-1984 adams americanphotographers ansel artistic artisticphotography bildband biographies biography correspondance correspondence exhibitions indiansofnorthamerica juvenileliterature kander landscapephotography landscapes nadav nationalparksandreserves naturephotography photographers photographes photographie photographieartistique photography pictorialworks portraitphotography postcards sociallifeandcustoms unitedstates universityofcalifornia(system) winterinart