^"Natalie Alt". The Cosmopolitan. 1915. Retrieved 2010-11-09. Natalie Alt ran away five years ago and joined comedy company. The day mother ran after Natalie, took sent her back to ...
^"Musical Play". Baltimore Sun. November 14, 1915. Archived from the original on November 2, 2012. Retrieved 2010-07-04. The musical comedy, "The Girl Who Smiles," comes direct to this city from the Longacre Theatre. New York, and will be at the Academy of Music this week. "The Girl Who Smiles" has the distinction of having had the longest run -- 200 nights -- of any attraction on Broadway this season. The production...
^"Natalie Alt To Be Featured In New Music Hour". Chicago Tribune. June 21, 1931. Archived from the original on November 2, 2012. Retrieved 2010-07-04. Natalie Alt, originator of the role of "Adele" in the musical comedy of that name, will be soprano soloist on the new "High Life Musical Refreshment" program on W-G-N starting at 2 o'clock tomorrow night and presenting each Monday night at this hour a program of vocal and instru-...