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 production of Grand Hotel, by Vicki Baum, National Theatre, New York (now Nederlander Theatre), 13^th November 1930 – December 1931 and click the button that will have appeared there.

If they have the exact same name, a search for production of Grand Hotel, by Vicki Baum, National Theatre, New York (now Nederlander Theatre), 13^th November 1930 – December 1931 will probably help.