* | August 4, 1904 New York, New York, USA | |
as Helen Schroeder | ||
† | September 26, 1966 New York, New York, USA |
Glenn Mitchell The Marx Brothers Encyclopedia London, 1996 |
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Stanley Appelbaum and James Camner (editors) Stars of the American Musical Theater in Historic Photographs, 361 Portraits from the 1860s to 1950 New York, 1981 |
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Joe Franklin Encyclopedia of Comedians Secaucus, N.J., 1979 |