R.U.R. ROSSUM'S UNIVERSAL ROBOTS : A FANTASTIC MELODRAMA ... Translated by Paul Selver | Karel Capek | First edition in English. First printing with First Edition on the copyright page
R.U.R. (Robots Universales Rossum) - Wikipedia, la enciclopedia libre
The Project Gutenberg eBook of R. U. R. (Rossum's Universal Robots), by Karel Capek.