Chicago Reader - Bells Are Ringing: Review by Dave Kehr (mixed).
Cinebooks Database - Bells Are Ringing: Unsigned review (positive), rating.
IMDb - Bells Are Ringing (1960): Cast, credits, production information.
Musical Heaven - Bells Are Ringing: Unsigned discussion of the film and of the Broadway musical comedy which preceded it.
Reel.com - Bells Are Ringing (1960): Unsigned review (predominantly positive).