Nishchenstvo i borʹba s nim : materīaly dli︠a︡ Podgotovitelʹnoĭ komissīi dli︠a︡ razrabotki voprosa po reorganizat︠s︡īi borʹby s nishchenstvom v S.-Peterburgi︠e︡, obrazovannoĭ S.-Peterburgskoĭ gorodskoĭ Dumoi︠u︡ 28 i︠a︡nvari︠a︡ 1911 g
A Films for the Humanities & Sciences presentation ; Produced by Democracy Pictures and Steps International ; Produced by Blair Foster ; Written by Alex Gibney & Chad Beck & Adam Bolt ; Directed by Alex Gibney
análisis sociológico, Julio Alguacil Gómez ... [and others] ; coordinación, Víctor Renes Ayala ; explotación de la base de datos de la encuesta, Equipo de Investigación Sociológica