Arnold Arboretum: differenze tra le versioni

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Recupero di 0 fonte/i e segnalazione di 1 link interrotto/i. #IABot (v1.6)
Recupero di 1 fonte/i e segnalazione di 0 link interrotto/i. #IABot (v1.6.5)
Riga 21:
* [http://www.publicgardens.org/ American Public Gardens Association (APGA)]
* [http://flora.huh.harvard.edu/china/ Flora of China]
* {{collegamento interrotto|1=[http://via.harvard.edu:9080/via/deliver/advancedsearch?_collection=via Virtual Information Access (VIA)] {{webarchive|dateurl=novembre 2017https://web.archive.org/web/20040701003051/http://via.harvard.edu:9080/via/deliver/advancedsearch?_collection=via |botdata=InternetArchiveBot1º luglio 2004 }} Catalog of visual resources at Harvard University.
* [http://www.loc.gov/preserv/prd/gardfor/gfhome.html Garden and Forest] A Journal of Horticulture, Landscape Art, and Forestry (1888–1897)
* [http://www.nps.gov/history/NR/twhp/wwwlps/lessons/56arnold/56arnold.htm ''Boston's Arnold Arboretum: A Place for Study and Recreation,'' a National Park Service Teaching with Historic Places (TwHP) lesson plan]