Open Source Shakespeare contains Shakespeare's complete works. It is intended for scholars and actors. OSS includes the 1864 Globe Edition of the complete works, which was the definitive single-volume Shakespeare edition for over a half-century. Features include a number of sorting and searching functions both on the home page and inside the plays, side by side sonnet comparison, and a concordance. This particular web page also has a mobile interface.
A multimedia anthology of English and Yiddish scripts, playbills and programs, silent films, and early recordings.
Official archival database for Broadway theater information. Features information on current and past productions in the Broadway theaters of New York City, including production statistics, dates, cast, crew and creative staff credits, roles, and related facts.
This is an amazing link, especially if you need to know the historical grosses of Broadway shows.
Offers everything for Broadway theatre--from seating charts, playbills, lists of jobs and castings, current shows, etc.
"The Global Shakespeares Video & Performance Archive is a collaborative project providing online access to performances of Shakespeare from many parts of the world as well as essays and metadata by scholars and educators in the field."