1. Ferroviários em luta pelo seu acordo de empresa Creator: Federação dos Sindicatos Ferroviários Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 1985 Institution: University of Massachusetts Boston, Joseph P. Healey Library
2. Članove udruženih sindikata i hrvatske radnike pozivamo na akciju : Solidarno zajedno Creator: Savez Samostalnih Sindikata Hrvatske (SSSH) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2010 Institution: University of Massachusetts Boston, Joseph P. Healey Library
3. La lucha está en la calle : Hacia la huelga general Creator: Confederación Nacional del Trabajo (CNT) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
4. La resignació no és una opció lluita : Protagonitza la teura propia historia Creator: Comisiones Obreras (CCOO) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2011 Institution: University of Massachusetts Boston, Joseph P. Healey Library
5. Union Solidarity Rally Creator: United Paperworkers International Union (UPIU) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
6. 6 aniversário : UGT trabalho solidariedade Creator: União Geral de Trabalhadores (UGT) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
7. Congresso CGTP-IN : Com os trabalhadores pela democracia pela resolução dos problemas nacionais Creator: Confederação Geral dos Trabalhadores Portugueses (CGTP) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 1983 Institution: University of Massachusetts Boston, Joseph P. Healey Library
8. Contra a ingerência da UE/FMI : Com luta outro rumo é possível! Creator: Confederação Geral dos Trabalhadores Portugueses (CGTP) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2011 Institution: University of Massachusetts Boston, Joseph P. Healey Library
9. Dia nacional de luta 1 de Out. : Melhores salários emprego sem precariedade contra a alteração das leis laborais Creator: Confederação Geral dos Trabalhadores Portugueses (CGTP) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2008 Institution: University of Massachusetts Boston, Joseph P. Healey Library
10. Grande manifestação : 1 Outubro Creator: Confederação Geral dos Trabalhadores Portugueses (CGTP) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2011 Institution: University of Massachusetts Boston, Joseph P. Healey Library
11. O protesto tem de ser ouvido : O futuro não se faz sem nós Creator: Confederação Geral dos Trabalhadores Portugueses (CGTP) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2011 Institution: University of Massachusetts Boston, Joseph P. Healey Library
12. Ruas cheias! O país protesta Creator: Confederação Geral dos Trabalhadores Portugueses (CGTP) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
13. Strike benefit dance LUMS workers Creator: Madison Independent Workers; McLinster Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 1972 Institution: University of Massachusetts Boston, Joseph P. Healey Library
14. Support Tufts MNA nurses Creator: United Steelworkers (USW) Local 8751, American Federation of Labor and Congress of Industrial Organizations (AFL-CIO), CLC, and Boston School Bus Union Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
15. 4 Nov huelga : Otra universidad es posible Creator: Coordinadora De Asambleas De Escuela Y Facultad (CAEF) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
16. Add to the "bucket" Tufts Creator: Massachusetts Nurses Association Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
17. Aixi no : Vaga general : Jo hi vaig Creator: Comisiones Obreras (CCOO) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2010 Institution: University of Massachusetts Boston, Joseph P. Healey Library
18. Are you for real? : Let your conscience be your guide! Creator: Laborers' International Union of North America (LIUNA) Local 185 Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
19. Boston Police Detectives Union supports Tufts MNA nurses Creator: Boston Police Detectives Union Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2017 Institution: University of Massachusetts Boston, Joseph P. Healey Library
20. Dublin Health Services official picket Creator: Services, Industrial, Professional and Technical Union (SIPTU) Format: Posters Collection: Stephen Lewis poster collection, circa 1921-2017 Date: 2013 Institution: University of Massachusetts Boston, Joseph P. Healey Library