The Shakespeare Collection contains a selection of over 200 prompt books (annotated working texts of stage managers and company prompters) from the 17th to 20th centuries, the extensive diaries of Shakespeare enthusiast Gordon Crosse documenting 500 UK performances from 1890 to 1953, the First Folio and Quartos, editions and adaptations of Shakespeare's works from the 17th, 18th and 19th centuries, more than 80 works Shakespeare is thought to have been familiar with, as well as works composed by Shakespeare's contemporaries.