The Dumbells troupe outside the Ambassador theatre in New York City, where their show
Biff, Bing, Bang was a smash hit in 1921
Source: Theatre history in Canada = Histoire du théâtre au Canada[Toronto] : Graduate Centre for Study of Drama, University of Toronto, c1980-1991. -- Vol. 4 No. 2 Fall 1983 -- 12 v. : ill. ; 23 cm. -- ISSN 0226-5761. -- P. 208
© Public Domainnlc-4435