Marx Brothers appeared, sometimes with Chico and Zeppo caricatured, in cartoons starring Mickey Mouse, Flip the Frog and others. In the "Airwolf" episode 'Condemned', four anti-virus formulae for a deadly plague were named after the four Marx Brothers. In "All in the Family", Rob Reiner often did imitations of Groucho, and Sally Struthers dressed as Harpo in one episode in which she (as Gloria Stivic) and Rob (as Mike Stivic) were going to a Marx Brothers film festival, with Reiner dressing as Groucho. Gabe Kaplan did many Groucho imitations on his sit-com "Welcome Back, Kotter" and Robert Hegyes sometimes imitated both Chico
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