Internationale Ausstellung neuer [Theater]technik.Theater technologyTheaters and concert halls in the Netherlands : technical inventoryTrattato di scenotechnicaPlanning for new forms of theaterDuMont's Handbuch der BühnenbeleuchtungInternationale Ausstellung neuer Theatertechnik : Katalog, Programm, AlmanachJournal of theater technology : organ of the Foundation The Dutch Theater Technical Circle