BBC - The Blue Angel: Review by Almar Haflidason (positive) with emphasis on DVD production values, rating.
Chicago Sun-Times - The Blue Angel: Review by Roger Ebert (predominantly positive), rating.
Cinebooks Database - Blue Angel, The: Unsigned review (positive), rating.
IMDb - Blaue Engel, Der (1930): Cast, credits, production information.
IOFilm - The Blue Angel: Pseudonymously signed review (positive) with emphasis on DVD production values, rating.
Strictly Film School - Josef von Sternberg - Blaue Engel, Der: Pseudonymously signed review essay.