Dr. Froehlich will illustrate how the Historical Thesaurus of the Oxford English Dictionary can be used as a resource for harvesting literary-historical vocabulary surrounding specific semantic categories using data from the Oxford English Dictionary. She will apply this vocabulary towards a corpus of 101 plays, covering Shakespeare and a handful of his contemporaries (Dekker, Ford, Jonson, Middleton, and Webster), to observe for early 17th century dramatic writing discusses the language of madness and mental health.