Cinebooks Database - Blue Angel, The
- Unsigned review (positive), rating.
- http://online.tvguide.com/detail/movie.aspx?tvobjectid=116593

Chicago Sun-Times - The Blue Angel
- Review by Roger Ebert (predominantly positive), rating.
- http://rogerebert.suntimes.com/apps/pbcs.dll/article?AID=/20010928/REVIEWS/109280301/1023

IMDb - Blaue Engel, Der (1930)
- Cast, credits, production information.
- http://us.imdb.com/title/tt0020697/

Strictly Film School - Josef von Sternberg - Blaue Engel, Der
- Pseudonymously signed review essay.
- http://www.filmref.com/directors/dirpages/vsternberg.html

IOFilm - The Blue Angel
- Pseudonymously signed review (positive) with emphasis on DVD production values, rating.
- http://www.iofilm.co.uk/fm/b/blue_angel_1930.shtml

BBC - The Blue Angel
- Review by Almar Haflidason (positive) with emphasis on DVD production values, rating.
- http://www.bbc.co.uk/films/2002/09/20/the_blue_angel_1930_dvd_review.shtml