https://www.umass.edu/AdelphiTheatreCalendar/m90d.htm
The Adelphi Theatre Project: Calendar for 1890-1891
Calendar for 1890-1891, Calendar of the Sans Pareil and Adelphi Theatre 1806-1900
the adelphi theatreproject calendar
https://www.londontheatre.co.uk/theatre-news/news/waitress-extends-booking-period-at-the-adelphi-theatre
Waitress extends booking period at the Adelphi Theatre | London Theatre
May 11, 2026 - Ahead of its first preview, it has been announced that Waitress will extend its booking period at the Adelphi Theatre, with performances now available until...
the adelphi theatrebooking periodwaitressextendslondon