Bibliographical links

OPAC Unipv

https://openweb.unipv.it/openweb/#!cerca?q=Oliver%20Wendell%20Holmes%20

Person Links

Enciclopedia Italiana link

https://www.treccani.it/enciclopedia/oliver-wendell-holmes

Wikipedia link

https://it.wikipedia.org/wiki/Oliver_Wendell_Holmes#Biografia