International Alliance of Theatrical Stage Employees/Other

1939–1954
1939=

1943–1953
Supplemental variation as seen on Warner Bros. cartoons.

1945–1961


1953–present
1953–1959=

1964–1980
Alternate version as seen on Warner Bros., MGM and DePatie-Freleng theatrical cartoons

1957–present
1957–1959=