Although the public domain film is not available via My Library DV, YouTube has made the entire film available online. The film begins here.
The clip of Lady of Burlesque with the Wilkes-Barre reference is below; it occurs at the 2:00 mark.:
That settles it! We GOTTA have a new one!
(gestures towards the off-stage ladies' room)
Oh, the museum piece. I haven't seen one like that
since the Wilkes-Barre Regal.