[1][3] She also worked internationally for opera houses in London, Paris, Milan, Vancouver, Buenos Aires and New York City.

She collaborated with directors including O. E. Hasse, Karl-Heinz Stroux and especially Günther Rennert,[2] and conductors such as Leo Blech and Herbert von Karajan.

[9] Her artistic legacy is kept in the Ita-Maximowna-Archiv of the Archiv für Darstellende Kunst of the Akademie der Künste in Berlin.

[4] Her first production was a double bill of Arthur Schnitzler's Grüner Kakadu and Franz Werfel's Kammersänger at the Berlin Renaissance Theatre in 1945.

[13] For the Vienna State Opera, she created sets for Salome by Richard Strauss (1957), Mozart's Le nozze di Figaro (1958), Rossini's La Cenerentola and Il turco in Italia, and Verdi's Un ballo in maschera (1982).

[14] She designed the scene at the Salzburg Festival for Le nozze di Figaro from 1957, Die Zauberflöte from 1959, Ariadne auf Naxos by Richard Strauss from 1964, and Mozart's Così fan tutte from 1972, all directed by Rennert.

[17] The same year, she designed for Puccini's Der Mantel (Il tabarro) at the Staatstheater Stuttgart, conducted by Ferdinand Leitner.

[18] In 1965, she designed for the world premiere of Klebe's Jacobowsky und der Oberst at the Hamburg State Opera.