Thanks for helping improve the accuracy of the site. We’ve noted what item you were on; please now visit the web page of the duplicate of National Theatre production of The Passion, by Tony Harrison, National Theatre – Cottesloe Theatre (now National Theatre – Dorfman), National Theatre, London, started 19th April 1977 and click the button that will have appeared there.

If they have the exact same name, a search for National Theatre production of The Passion, by Tony Harrison, National Theatre – Cottesloe Theatre (now National Theatre – Dorfman), National Theatre, London, started 19th April 1977 will probably help.