Columbia subject headings:
Harvard subject headings:
Lantern projection--Social aspects--Great Britain--History--19th century.
Lantern projection--Social aspects--Great Britain--History--20th century.
Lantern slides--Social aspects--Great Britain--History--19th century.
Lantern slides--Social aspects--Great Britain--History--20th century.
Motion pictures--Social aspects--Great Britain--History--19th century.
Motion pictures--Social aspects--Great Britain--History--20th century.
Poverty in mass media--History.
Social problems in motion pictures.
Princeton subject headings:
Lantern projection--Social aspects--Great Britain--History--19th century.
Lantern projection--Social aspects--Great Britain--History--20th century.
Lantern slides--Social aspects--Great Britain--History--19th century.
Lantern slides--Social aspects--Great Britain--History--20th century.
Motion pictures--Social aspects--Great Britain--History--19th century.
Motion pictures--Social aspects--Great Britain--History--20th century.
Poverty in mass media--History.
Social problems in motion pictures.