Baedeker to have three of his four sons − Hans, Ernst and Dietrich − beside him in the firm, as editors and writers. Karl Baedeker III, the fourth son, entered academia and rose to become a professor of physics at the University of Jena. He was killed in action at the Battle of Liège in August 1914. It was his son Karl Friedrich who revived Verlag Karl Baedeker after the Second World War. During his reign, which lasted over 50 years, Fritz produced 73 new "Baedekers", as they came to be known universally. The Baedeker travel guides became so popular that
Karl Marx and the Close of His System Karl Marx and the Close of His System Karl Marx and the Close of His System () is a critique of Karl Marx's economic theories by the Austrian economist Eugen Böhm von Bawerk, published in English translation in 1898. Böhm von Bawerk's work first appeared in 1896, in "Staatswissenschaftliche Arbeitern: Festgaben für Karl Knies", a collection of essays in honor of the German economist Karl Knies. It was published as a separate work later in 1896, and appeared in Russian translation in 1897 and in English translation in 1898. Bawerk provides a critique of Marx's "Capital". Examining Marx's theory of