LOST act IV to The Philanderer

[NOTL]

Just saw the Shaw production of The Philanderer, wherein they performed the 'original, lost' act IV. That version does not appear in Shaw's Plays Unpleasant, and I cant find it on line. Does anyone know where I can see the written text?

[mona amon]

Here - http://www.classicreader.com/book/1570/4/ and in many other places. Just search for The Philanderer Act 4.