Karl Marx. Today, not only the first editions of Karl Marx's works in Polish are considered white ravens. These are books that are rare and sought after by bibliophiles, also from abroad. Today we are starting a series in which we will show all the first editions of the works of this German philosopher of Jewish origin, sociologist, and an outstanding economist, who revolutionized thinking about property rights and laid the foundations for modern economics, created scientific socialism, and was also a co-founder of the First International. His most important works are Capital. Criticism of political economy; On the Jewish question; Manifesto of the Communist Party.