1865-1931 1901-1990 1902-1984 1919- 1947- 1956- 1962- 20thcentury 770 779 adams alberta americanphotographers andy ansel architecture artistic artisticphotography bentley bildband biodiversity biodiversityconservation biographies biography botany california cambodia colorphotography correspondance correspondence descriptionandtravel documentaryphotography dyetransfer ecologyinart effectofhumanbeingson eliot environmentalism environmentalprotectioninart environnementalisme essexcounty exhibitions floraldecorations flowerarrangement flowers formations(geology) formations(géologie) french gardens geir georg globalenvironmentalchange goldsworthy greatplains humanecology indiansofnorthamerica johsel jordahl joutras juvenileliterature kentucky landscapephotography landscapes landscapesinart landschaftsphotographie lane manuals meteorologists morphology namkung nationalparksandreserves naturalareas naturalhistory nature natureconservation newmediaart newyork(state) newyorktimesreviewed northamerica northwest outdoorphotography pacific photographcollections photographers photographes photographie photographieartistique photographiedanslasurveillancedel'environnement photographiedelanature photography photography_handbooks photographyinenvironmentalmonitoring photographyofanimals photographyofplants photographyofrocks photographyoftrees pictorialworks plants porter portraitphotography postcards printingprocesses sammlung shore snowflakes stephen stiftungmuseumschlossmoyland travel travelphotography unitedstates universityofcalifornia(system) videoart water wildlifephotographers wildlifephotography williamh winterinart yellowstonenationalparkregion yosemitenationalpark yukon yukonterritory