https://collections.newberry.org/archive/The-bad-quarto---the-tragicall-historie-of-Hamlet--Prince-of-Denmarke-2KXJ8ZSWIE5YI.html
Newberry Library - The bad quarto : the tragicall historie of Hamlet, Prince of Denmarke
newberry librarybad quartohistoriehamletprince
https://onemanz.com/blog/milton-on-shakespeare-literally/bad_quarto_good_quarto_first_folio/
Bad_quarto,_good_quarto,_first_folio - One Man's World
bad quartofirst folioone mangoodworld