Writing

2020

… Writer

2014		The Metropolitan Opera: Il Barbiere di Siviglia … Original Story
2014		The Metropolitan Opera: The Marriage of Figaro … Original Story

2011

… Original Story

2009

… Original Story

2007

… Original Story

2006

… Original Story

2005		Il Barbiere di Siviglia … Original Story
2005		Il Barbiere di Siviglia … Original Story

1997

… Writer

1994

… Original Story

1992

… Original Story

1988

… Original Story

1981

… Original Story

1975

… Original Story

1974

… Writer

1961

… Original Story

1959

… Writer

1958

… Theatre Play

1955

… Theatre Play

1954

… Theatre Play

1947

… Writer

1929

… Original Story

1920

… Theatre Play