Columbia subject headings:
Harvard subject headings:
Amateur theater--Germany.
Amateur theater--Poland.
Theater and society--Germany.
Theater and society--Poland.
Theater--Germany
Theater--Poland
Princeton subject headings:
Folkstheater/Teatr Ludowy.
Participatory theater--Germany--Frankfurt an der Oder.
Participatory theater--Poland--Słubice (Województwo Lubuskie).
Theater, Municipal--Germany--Frankfurt an der Oder.
Theater, Municipal--Poland--Słubice (Województwo Lubuskie).
Theater--Germany--Frankfurt an der Oder.
Theater--Poland--Słubice (Województwo Lubuskie).