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Die Einfuhrzollpolitik der Vereinigten Staaten von Amerika seit Beginn des 20. Jahrhunderts und die deutsche Farbstoffindustrie
Wagemann, Helmut, (1967)
Soap detergents paint varnishes : marketing technique in the United States ; Organisation for European Economic Co-operation ; European Productivity Agency
(1957)
Synthetic organic dynes and pigments: workers of the Linden, N. J., Plant of Caf Corp ; Report to the President on Worker Investigation No. TEA-W-214 under section 301 (c)(3) of the Trade Expansion Act of 1962 ; United States Tariff Commission
(1973)