| 1920 play that takes place in a factory | 39 |
| Sci-fi play written in Czech | 28 |
| Sci-fi play of 1921 | 19 |
| Sci-fi drama set at an island factory | 37 |
| Robotic melodrama | 17 |
| River in W Europe | 17 |
| Play that coined the word "robot" | 43 |
| Play by Karel Capek | 19 |
| Meuse feeder | 12 |
| Man-vs.-machine play | 20 |
| Man vs. machine Capek drama | 27 |
| Karel Capek sci-fi play | 23 |
| Karel Capek robot play | 22 |
| Karel Capek classic | 19 |
| Futuristic Capek play | 21 |
| Drama about robots | 18 |
| Czech play about robots | 23 |
| Classic Karel Capek play | 24 |
| Capek's classic | 19 |
| Capek work | 10 |
| Capek title | 11 |
| Break, of a sort | 16 |
| 1921 play that gave us the word "robot" | 49 |
| 1921 man-vs.-machine play | 25 |
| 1920 Capek drama | 16 |
| Work by Karel Capek | 19 |
| Word-coining play | 17 |
| Whence the word "robot" | 33 |
| Visionary 1921 play | 19 |
| Visionary 1921 drama | 20 |
| Univ. robot | 11 |
| Sci-fi play that introduced "robot" | 45 |
| Sci-fi play of 1923 | 19 |
| Sci-fi debut of 1921 | 20 |
| Satirical play of 1921 | 22 |
| Robots of literature | 20 |
| Robotic drama | 13 |
| Play with the first "robots" | 38 |
| Play with mechanical men | 24 |
| Play with machines | 18 |
| Play with automatons | 20 |
| Play that takes place in an artificial human factory | 52 |
| Play that introduced ''robot'' | 46 |
| Play that gave us the word "robot" | 44 |
| Play that brought "robot" into the vocabulary | 55 |
| Play in which Spencer Tracy made his (nonspeaking) Broadway debut | 65 |
| Play from which the word "robot" comes | 48 |
| Play about androids | 19 |
| Noted 1921 play | 15 |
| Notable play of 1921 | 20 |
| Marxist Karel Capek play | 24 |
| It premiered in Prague in 1921 | 30 |
| Influential play for the genre of sci-fi | 40 |
| Futuristic pro-labor play | 25 |
| Futuristic play of 1921 | 23 |
| Futuristic drama of 1921 | 24 |
| Futuristic 20's play | 24 |
| Famous Czech play | 17 |
| Dystopian 1920 play | 19 |
| Düren's river | 20 |
| Drama of 1920 | 13 |
| Czech sci-fi play | 17 |
| Czech play with robots | 22 |
| Czech play | 10 |
| Classic play whose title is an abbreviation | 43 |
| Classic 1921 play set partly in a factory | 41 |
| Capek's sci-fi drama | 24 |
| Capek's robot play | 22 |
| Capek's play | 16 |
| Capek's futuristic play | 27 |
| Capek's android | 19 |
| Capek robot drama | 17 |
| Capek play that introduced the word "robot" | 53 |
| Capek play about robots | 23 |
| Automaton-themed play of the 1920s | 34 |
| Automaton-themed play of 1921 | 29 |
| Automaton drama | 15 |
| Asimov called it "bad . . . but it is immortal for that one word" | 75 |
| 1921 robot play | 15 |
| 1921 play written in Czech | 26 |
| 1921 play that introduced the word "robot" | 52 |
| 1921 play based on the Jewish Golem legend | 42 |
| 1921 play about robots | 22 |
| 1921 Capek play | 15 |
| 1920 sci-fi play | 16 |
| 1920 Czech drama about workers | 30 |
| 1920 Capek play | 15 |
| "Black utopia" of 1920 | 32 |
| Countrified | 11 |
| Part of R.F.D. | 14 |
| From the country | 16 |
| Out in the sticks | 17 |
| Beyond the suburbs | 18 |
| Part of RFD | 11 |
| Back-country | 12 |
| Not urban | 9 |
| Like Mayberry | 13 |
| From the sticks | 15 |
| Backwoods | 9 |
| Like the boondocks | 18 |