HeidemijWerkverschaffingStrike, other demands - 1939Strike, vacation - 1939Strike, wage raise - 1945Strike, against the sacking or punishment of a colleague - 1946Strike, against a wage cut - 1947Strike, wage demands excluding wage raise - 1954Strike, protest against lay-off days - 1955Strike, - 1921Strike, - 1928Strike, the workers demanded wages for lay-off - 1928Strike, wage raise - 1929Strike, wage raise - 1938