{"source":"website","style":"apa","website": {"title":"Pilgrimage to Vallombrosa : from Vermont to Italy in the footsteps of George Perkins Marsh" },"contributors": [{"function":"author","last":"Elder","first":"John"} ],"pubtype": {"main": "pubonline"},"pubonline": {"title":"Pilgrimage to Vallombrosa : from Vermont to Italy in the footsteps of George Perkins Marsh","url":"http://site.ebrary.com/id/10627958"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"823729261","isbn":"9780813934297 081393429X 1283806010 9781283806015"}