Bos KalisBroersma, Joh. & Jac. aan de LaakhavenDUWDUW-HeidemijDiverseHeidemijLascoVisserVisser, J. aan de havenVisser, deVolkersStrike, against a wage cut - 1932Strike, wage demands excluding wage raise - 1970Strike, refusal of short time - 1984demonstration, wage raise - 1936demonstration, - 1922demonstration, wage raise - 1923Lockout, the workers had left without permission - 1936Lockout, - 1916Strike, diminished working hours - 1908Strike, wage raise - 1912Strike, wage raise - 1905Strike, wage raise - 1916Strike, other demands - 1919