[Met Concert or Gala] CID : 120910

The Bat (9)
Grand Program

Metropolitan Opera House; Sun, February 28, 1937

[Met Concert or Gala] CID : 122160

The Bat (12)
Gala Operatic Program

Metropolitan Opera House; Sun, December 12, 1937

[Met Performance] CID : 122290

Hänsel und Gretel (139)
The Bat (13)

Metropolitan Opera House; Fri, December 24, 1937

[Met Concert or Gala] CID : 123230

The Bat (14)
Gala Operatic Program

Metropolitan Opera House; Sun, March 6, 1938