Environmental conditions 2 History 2 Human ecology 2 Landscapes 2 Mountain life 2 Relations 2 Rural-urban relations 2 more ... Social life and customs 2 Catskill Mountains (N.Y.) -- Relations -- New York (State) -- New York 1 Conditions environnementales 1 Ecology 1 General 1 HISTORY / United States / General 1 Haynes family 1 Histoire 1 Human ecology -- New York (State) -- Catskill Mountains -- History 1 International relations 1 Landscapes -- New York (State) -- Catskill Mountains -- History 1 Manners and customs 1 Mountain life -- New York (State) -- Catskill Mountains -- History 1 Mœurs et coutumes 1 New York (N.Y.) -- Relations -- New York (State) -- Catskill Mountains 1 Paysages 1 Relations villes-campagnes 1 Rural-urban relations -- New York (State) -- Case studies 1 SOCIAL SCIENCE 1 Vie en montagne 1 less ...