| Subject of monthly reading | 26 |
| Subject of Montezuma II | 23 |
| Subject of Montezuma | 20 |
| Subject of modern research | 26 |
| Subject of modern mapping | 25 |
| Subject of modern "mapping" | 37 |
| Subject of middle school fantasies | 34 |
| Subject of Michael Crichton's "Prey" | 50 |
| Subject of Mendel's study of genetics | 41 |
| Subject of meditation | 21 |
| Subject of medical advice | 25 |
| Subject of media law | 20 |
| Subject of media coverage | 25 |
| Subject of many X-Files | 23 |
| Subject of many toasts | 22 |
| Subject of many songs | 21 |
| Subject of many sightings | 25 |
| Subject of many sculptures | 26 |
| Subject of many Sanskrit epics | 30 |
| Subject of many rap songs | 25 |
| Subject of many product liability suits | 39 |
| Subject of many poems | 21 |
| Subject of many paintings | 25 |
| Subject of many operas | 22 |
| Subject of many Onion news stories | 34 |
| Subject of many lies | 20 |
| Subject of many lab tests | 25 |
| Subject of many Hindu texts | 27 |
| Subject of many grunge songs | 28 |
| Subject of many Georgia O'Keeffe paintings | 46 |
| Subject of many fraudulent photographs | 38 |
| Subject of many doctor-related fears | 36 |
| Subject of many disputes | 24 |
| Subject of many demonstrations | 30 |
| Subject of many Captain Cook log entries | 40 |
| Subject of many campaign speeches | 33 |
| Subject of many cafeteria complaints | 36 |
| Subject of many best sellers | 28 |
| Subject of many arias | 21 |
| Subject of many Arab Spring protests | 36 |
| Subject of many an aria | 23 |
| Subject of many an "Onion" article | 44 |
| Subject of many a war | 21 |
| Subject of many a viral video | 29 |
| Subject of many a Truffaut film | 31 |
| Subject of many a toast | 23 |
| Subject of many a tabloid photo | 31 |
| Subject of many a sad ballad | 28 |
| Subject of many a rap song | 26 |
| Subject of many a rambling, GIF-happy personal site | 51 |
| Subject of many a portrait | 26 |
| Subject of many a political scandal | 35 |
| Subject of many a Human Rights Watch story | 42 |
| Subject of many a high school sex ed movie | 42 |
| Subject of many a high school myth | 34 |
| Subject of many a grunge song | 29 |
| Subject of many a grainy picture | 32 |
| Subject of many a dis | 21 |
| Subject of many a Burns ballad | 30 |
| Subject of many a billet-doux | 29 |
| Subject of many a bar examination | 33 |
| Subject of many a "Car Talk" call | 43 |
| Subject of Machu Picchu builder Pachacuti | 41 |
| Subject of Mach's principle | 31 |
| Subject of Lincoln's phrase | 31 |
| Subject of Leonardo's last painting | 39 |
| Subject of King Rama IX | 23 |
| Subject of King Minos | 21 |
| Subject of King Lear's lament | 33 |
| Subject of King Fahd bin Abdul Aziz | 35 |
| Subject of King Fahd | 20 |
| Subject of King Deioces | 23 |
| Subject of King Cyaxares | 24 |
| Subject of King Abdullah | 24 |
| Subject of kinetics | 19 |
| Subject of Katz's "Days of Wrath" | 47 |
| Subject of Kant critique | 24 |
| Subject of Justinian's reform | 33 |
| Subject of Joshua Kendall's "The Man Who Made Lists" | 66 |
| Subject of Jaques' speech | 29 |
| Subject of Jane Goodall's study | 35 |
| Subject of James Carville's "... And the Horse He Rode In On" | 75 |
| Subject of Jacob's dream | 28 |
| Subject of Ives's "Concord Sonata" movement | 57 |
| Subject of Ishmael's tale | 29 |
| Subject of IRS Form 706 | 23 |
| Subject of introspection | 24 |
| Subject of interest in the question "Who are you wearing?" | 68 |
| Subject of interest | 19 |
| Subject of Indiana Jones's quest | 36 |
| Subject of illicit trade, sometimes | 35 |
| Subject of illicit trade | 24 |
| Subject of I.R.S. Form 8949 | 27 |
| Subject of Holmes poem | 22 |
| Subject of Hippolyta | 20 |
| Subject of Hercules' Twelfth Labor | 38 |
| Subject of Handel's "Messiah" | 43 |
| Subject of Hamlet | 17 |
| Subject of Gregor Mendel's study | 36 |
| Subject of Great Britain/China wars | 35 |