Six promptbooks for "Die Bruder Straubinger." Four are in German and include two copies of the holograph "Soufflirbuch" published by Josef Weinberger (Leipzig, n.d.), and one copy of the holograph "Mise en scène" (s.l., s.n., n.d.). The third is typescript and bears the notice: "Ur-Auffuehrung am k.k. priv. Theatre an der Wien am 20. Februar 1903," and the manuscript note: "Premiere am 15. November 1921, Manhatten Opera, New York." The three English books are typescript and identify Alex. Henderson as adapter.