The performances recognized as masterpieces of Russian theatre culture were made under his direction. “Idiot”(1957), “Philistines”(1966), “Hanuma”(1972), “The Story of a Horse”(1975) “Uncle Vanya”(1982) and others are among his best stagings.

вопрос следующий: корректен ли перевод
и можно ли staging употреблять во множественном числе,
а то ворд его подчёркивает упорно.

Спасибо :)