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In Orbisor Quicksearch, enter the title of the play as a Keyword search in quotes, for example “cherry orchard” or “six characters in search of an author.” This will find the play as a standalone title and also within anthologies or collections.
Too many hits? Try leaving quotes off and searching by Title rather than Keyword, for example Enron.
No hits? First try searching other research libraries via Borrow Direct. Next, try WorldCat, with the title in quotes, to look for the play within a collection or anthology, then search the title of the collection or anthology in Orbis. WorldCat is also a good way to find citations for items not held by Yale, so that you can place an Interlibrary Loan request through Get It @Yale.