1. Perill : Explotació laboral de personnes estrangeres Creator: Associació d'Ajuda Mútua d'Immigrants a Catalunya (AMIC); Unión General de Trabajadores (UGT) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
2. Quand c'est vert on avance : Des solutions existent, mettons-les en pratique Creator: Ecolo Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
3. Stop Wall Street Whitman Creator: American Federation of Labor and Congress of Industrial Organizations (AFL-CIO) CA Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
4. Welcome to Northampton Format: Photographs Collection: Northampton Photographs Institution: Forbes Library