Regulation of the Minister of Labour and Social Welfare of June 15, 1930, concerning the granting of the right to benefits for partially employed workers of the "Laura", "Silesia", "Bismark and Falva", "Królewska and Laura", "Hubertus", "Hohenlohe", "Pokój", "Marta", "Baildon" and "Królewska" steelworks.

Rozporządzenie Ministra Pracy i Opieki Społecznej z dnia 15 czerwca 1930 r. w sprawie przyznania prawa do zasiłków częściowo zatrudnionym robotnikom hut: "Laura", "Silesia", "Bismark i Falva", "Królewska i Laura", "Hubertus", "Hohenlohe", "Pokój", "Marta", "Baildon" i "Królewska".