＜図書＞
"The Stage" cyclopædia : a bibliography of plays : an alphabetical list of plays and other stage pieces of which any record can be found since the commencement of the English stage, together with descriptions, authors' names, dates and places of production, and other useful information, comprising in all nearly 50,000 plays, and extending over a period of upwards of 500 years / compiled by R. Clarence