| Source of the Mekong River | 26 |
| Source of the maxim "Four legs good, two legs bad" | 60 |
| Source of the line "What's past is prologue," with "The" | 80 |
| Source of the line "What's done is done" | 54 |
| Source of the line "Thy money perish with thee" | 57 |
| Source of the line "They say miracles are past" | 57 |
| Source of the line "They have sown the wind, and they shall reap the whirlwind" | 89 |
| Source of the line "The Leaves of Life keep falling one by one" | 73 |
| Source of the line "Something wicked this way comes" | 62 |
| Source of the line "Midway upon the road of our life I found myself within a dark wood ..." | 101 |
| Source of the line "Hope springs eternal ..." | 55 |
| Source of the line "Frailty, thy name is woman!" | 58 |
| Source of the line "Each of us bears his own Hell" | 60 |
| Source of the Law | 17 |
| Source of the Las Vegas glow | 28 |
| Source of the Hulk's power | 30 |
| Source of the heart stimulant digitalis | 39 |
| Source of the headline "World Death Rate Holding Steady at 100 Percent," with "The" | 103 |
| Source of the headline "Study Finds Blame Now Fastest Human Reflex," with "The" | 99 |
| Source of the Getty fortune | 27 |
| Source of the food thickener alginate | 37 |
| Source of the first spare rib | 29 |
| Source of the Fantastic Four's superpowers | 46 |
| Source of the Falcon? | 21 |
| Source of the Ewing fortune | 27 |
| Source of the eggs served in escamole | 37 |
| Source of the dragon's sound in ''Sleeping Beauty'' | 71 |
| Source of the cynicism | 22 |
| Source of the Blue Nile | 23 |
| Source of the Beverly Hillbillies' wealth | 45 |
| Source of the Amazon | 20 |
| Source of the all-time best-selling movie-related toy line | 58 |
| Source of the above quot. | 25 |
| Source of tequila | 17 |
| Source of temptation | 20 |
| Source of temporary funds | 25 |
| Source of teen pressure | 23 |
| Source of tedium | 16 |
| Source of tears, slangily | 25 |
| Source of tapioca | 17 |
| Source of talk, often | 21 |
| Source of T-bones | 17 |
| Source of sweat | 15 |
| Source of support? | 18 |
| Source of support for women | 27 |
| Source of support | 17 |
| Source of supply | 16 |
| Source of supplies | 18 |
| Source of Sun. light? | 21 |
| Source of sulfuric acid | 23 |
| Source of sugar | 15 |
| Source of suds | 14 |
| Source of sudden wealth | 23 |
| Source of sudden understanding | 30 |
| Source of strong mustard | 24 |
| Source of stress for new parents | 32 |
| Source of stress for a coll. senior | 35 |
| Source of strength, figuratively | 32 |
| Source of strength | 18 |
| Source of streaming video | 25 |
| Source of sticker shock | 23 |
| Source of steel | 15 |
| Source of steam | 15 |
| Source of status | 16 |
| Source of statements | 20 |
| Source of stability | 19 |
| Source of SSA funding | 21 |
| Source of spy movie suspense | 28 |
| Source of spousal angst, nocturnally | 36 |
| Source of split-resistant wood | 30 |
| Source of spills on hills | 25 |
| Source of spices for old traders | 32 |
| Source of sparkling wines | 25 |
| Source of sour cream? | 21 |
| Source of soup stock | 20 |
| Source of sound advice | 22 |
| Source of some viruses | 22 |
| Source of some vinegars | 23 |
| Source of some urban pollution | 30 |
| Source of some temporary tattoos | 32 |
| Source of some teen angst | 25 |
| Source of some tears | 20 |
| Source of some syrup | 20 |
| Source of some swelling | 23 |
| Source of some surveillance | 27 |
| Source of some support | 22 |
| Source of some sundae toppings | 30 |
| Source of some sugar | 20 |
| Source of some students' stress | 35 |
| Source of some strange visions | 30 |
| Source of some stomachaches | 27 |
| Source of some stings | 21 |
| Source of some spring color | 27 |
| Source of some sound bites | 26 |
| Source of some slicks | 21 |
| Source of some serious shaking | 30 |
| Source of some seeds | 20 |
| Source of some scriptures | 25 |
| Source of some scars | 20 |
| Source of some Russian copper | 29 |