8uren-dag, vacantieregeling, bedrijfs-org., medezeggenschap. Volgt ons! CreatorNVV., 1934, LanddagDate of creation1934-1935Collection150 years of advertising in the Netherlands
Jan Snoeck CreatorJan Snoeck,'s-GravenhageDate of creation1950-1975Collection150 years of advertising in the Netherlands