Sondheim's “Sweeney Todd”: Three Operatic Moments – The Listeners' Club
Len Cariou and Angela Lansbury in a scene from the Broadway production of the musical "Sweeney Todd". - NYPL Digital Collections
Rainbow Stage - Len Cariou as Sweeney Todd (left) and Angela Lansbury as Mrs. Lovett (right) in the 1979 Broadway production of Sweeney Todd. | Facebook
Sweeney Todd: Demon Barber Of Fleet Street (1982) - Turner Classic Movies
New Photos From Sweeney Todd - The Official Masterworks Broadway Site
I Knew All the Words': Your First Favorite Musicals - The New York Times