| Source of the Truckee River | 27 |
| Source of the quotation | 23 |
| Source of the Owl Creek? | 24 |
| Source of the one-liner | 23 |
| Source of the Niagara River | 27 |
| Source of the Mississippi | 25 |
| Source of the Mekong River | 26 |
| Source of the Las Vegas glow | 28 |
| Source of the Getty fortune | 27 |
| Source of the first spare rib | 29 |
| Source of the Ewing fortune | 27 |
| Source of the cynicism | 22 |
| Source of the Blue Nile | 23 |
| Source of the above quot. | 25 |
| Source of temporary funds | 25 |
| Source of teen pressure | 23 |
| Source of tears, slangily | 25 |
| Source of support for women | 27 |
| Source of sulfuric acid | 23 |
| Source of sudden wealth | 23 |
| Source of strong mustard | 24 |
| Source of streaming video | 25 |
| Source of sticker shock | 23 |
| Source of spy movie suspense | 28 |
| Source of spills on hills | 25 |
| Source of sparkling wines | 25 |
| Source of sound advice | 22 |
| Source of some viruses | 22 |
| Source of some vinegars | 23 |
| Source of some teen angst | 25 |
| Source of some swelling | 23 |
| Source of some surveillance | 27 |
| Source of some support | 22 |
| Source of some stomachaches | 27 |
| Source of some spring color | 27 |
| Source of some sound bites | 26 |
| Source of some scriptures | 25 |
| Source of some Russian copper | 29 |
| Source of some reactions | 24 |
| Source of some quilt stuffing | 29 |
| Source of some pressure | 23 |
| Source of some plywood | 22 |
| Source of some PBS programs | 27 |
| Source of some paper pulp | 25 |
| Source of some nostalgia | 24 |
| Source of some net receipts? | 28 |
| Source of some needles | 22 |
| Source of some mushrooms | 24 |
| Source of some mind tricks? | 27 |
| Source of some medicines | 24 |
| Source of some kitchen tears | 28 |
| Source of some jail violence? | 29 |
| Source of some intolerance | 26 |
| Source of some inside info? | 27 |
| Source of some inside humor? | 28 |
| Source of some hallucinations | 29 |
| Source of some fossils | 22 |
| Source of some foot-stomping | 28 |
| Source of some food poisoning | 29 |
| Source of some flashbacks | 25 |
| Source of some filings | 22 |
| Source of some extracts | 23 |
| Source of some expensive wood | 29 |
| Source of some discrimination | 29 |
| Source of some D.C. funding | 27 |
| Source of some clicking | 23 |
| Source of some chest thumping | 29 |
| Source of some blowups | 22 |
| Source of some big waves | 24 |
| Source of some benefits | 23 |
| Source of some allergies | 24 |
| Source of some airstrikes | 25 |
| Source of some '60s trips | 29 |
| Source of Solomon's gold | 28 |
| Source of soft feathers | 23 |
| Source of sodium from Keebler | 29 |
| Source of skin-softening oil | 28 |
| Source of Siamese supplies | 26 |
| Source of showroom shock? | 25 |
| Source of sexual dysfunction? | 29 |
| Source of self-satisfaction | 27 |
| Source of secret cables | 23 |
| Source of secondhand goods | 26 |
| Source of school stress | 23 |
| Source of sauce or milk | 23 |
| Source of saturated fat | 23 |
| Source of salad greens | 22 |
| Source of Russian news | 22 |
| Source of running water | 23 |
| Source of royal insomnia | 24 |
| Source of Roquefort cheese | 26 |
| Source of Rockefeller wealth | 28 |
| Source of Rockefeller money | 27 |
| Source of retiree income | 24 |
| Source of retiree funds | 23 |
| Source of restrictions | 22 |
| Source of remorse on a course | 29 |
| Source of reminiscence | 22 |
| Source of regret, perhaps | 25 |
| Source of red or white | 22 |