Book(print)#11930Prevention of smuggling of intoxicating liquors: Convention between the United States of America and Poland. Signed at Washington, June 19, 1930In: Treaty series no. 821USA; PolenUSA; PolenOrder using Availability
Book(print)#21925The Polish oil industry: Present situation and statisticsUnger, Stanisław; Union of Mineral Oil Producers and Refiners in PolandUnger, Stanisław; Union of Mineral Oil Producers and Refiners in PolandOrder using Availability