Lot of 7 Books on Theatre- Golden Ages of the Theatre, Faber book of the theatre...
1.) Theatrical Letters by Bill Homewood
2.) Golden ages of the Theatre
3.) A Source Book in Theatrical History by Nagler
4.) The Faber Book of the Theatre
5.) Our Theatre Today by Herschel L. Bricker
6.) Theater by Gronemeyer
7.) Theatre by Rob Graham