refusal to work overtime, refusal of short time - 1920Strike, against the sacking or punishment of a colleague - 1905Strike, wage raise - 1914Strike, wage raise - 1916Strike, solidarity with fellow strikers - 1919Strike, - 1919Strike, wage raise - 1928Strike, wage raise - 1928Strike, solidarity with fellow strikers - 1928Strike, wage raise - 1927Strike, against the sacking or punishment of a colleague - 1929Strike, secundary - 1928Strike, against the sacking or punishment of a colleague - 1928Strike, wage raise - 1929Strike, wage raise - 1930