Data on members of all Dutch trade unions, falling under the regulations of social welfare of 1921, 1926, 1930, 1936, 1940, 1947, 1950, 1956, 1960
收藏官方服务：
资源简介：
Units of observation: local units of trade unions.
创建时间：
1995-01-01
社区交流群
科研交流群
商业服务
Units of observation: local units of trade unions.