| Sources of inspiration | 22 |
| Sources of instinctive energy | 29 |
| Sources of investment advice | 28 |
| Sources of iron | 15 |
| Sources of iron and manganese | 29 |
| Sources of irritation | 21 |
| Sources of irritation: pet ___ | 30 |
| Sources of ivory | 16 |
| Sources of junk | 15 |
| Sources of lanolin-free wool | 28 |
| Sources of legumes? | 19 |
| Sources of libidos | 18 |
| Sources of light or heat | 24 |
| Sources of local college tension | 32 |
| Sources of local produce | 24 |
| Sources of many beads | 21 |
| Sources of metal | 16 |
| Sources of metals | 17 |
| Sources of milk | 15 |
| Sources of milk for chèvre cheese | 36 |
| Sources of mother-of-pearl | 26 |
| Sources of moving music? | 24 |
| Sources of much talk | 20 |
| Sources of nickel, e.g. | 23 |
| Sources of numbers | 18 |
| Sources of odd teenage behavior? | 32 |
| Sources of on-line help | 23 |
| Sources of online help | 22 |
| Sources of orders, briefly | 26 |
| Sources of ornamental feathers | 30 |
| Sources of overhead costs? | 26 |
| Sources of paper or pepper | 26 |
| Sources of peat | 15 |
| Sources of pollen grains | 24 |
| Sources of pride | 16 |
| Sources of pride? | 17 |
| Sources of prized pelts | 23 |
| Sources of prized roe | 21 |
| Sources of problems for prima donnas | 36 |
| Sources of prophecy | 19 |
| Sources of pulpwood | 19 |
| Sources of quick cash | 21 |
| Sources of rare cuts, often? | 28 |
| Sources of ready cash | 21 |
| Sources of red berries | 22 |
| Sources of reel income | 22 |
| Sources of remote power, e.g. | 29 |
| Sources of romantic conflict | 28 |
| Sources of rowdy criticism | 26 |
| Sources of ruin | 15 |
| Sources of satisfaction | 23 |
| Sources of scarce teeth | 23 |
| Sources of Scottish streams | 27 |
| Sources of shade | 16 |
| Sources of Sheffield shade | 26 |
| Sources of silver | 17 |
| Sources of soft feathers | 24 |
| Sources of soft wool | 20 |
| Sources of some allergies | 25 |
| Sources of some discounts | 25 |
| Sources of some DNA samples | 27 |
| Sources of some energy | 22 |
| Sources of some Grimm tales | 27 |
| Sources of some highlights | 26 |
| Sources of some leather | 23 |
| Sources of some lethal injections | 33 |
| Sources of some pit squeaks | 27 |
| Sources of some stadium images | 30 |
| Sources of some traffic reports | 31 |
| Sources of some tweets | 22 |
| Sources of some Zimbabwean exports | 34 |
| Sources of starch | 17 |
| Sources of storage chest wood | 29 |
| Sources of strength | 19 |
| Sources of suds | 15 |
| Sources of suffering | 20 |
| Sources of support | 18 |
| Sources of teen angst, dentally | 31 |
| Sources of track reports | 24 |
| Sources of treasure | 19 |
| Sources of turpentine | 21 |
| Sources of tweets | 17 |
| Sources of unglamorous hands, perhaps | 37 |
| Sources of unpleasantness | 25 |
| Sources of unwanted pounds, often | 33 |
| Sources of vexation | 19 |
| Sources of vitamin C | 20 |
| Sources of wealth | 17 |
| Sources of wedges | 17 |
| Sources of wisdom | 17 |
| Sources of woe | 14 |
| Sources of wood for cabinetwork | 31 |
| Sources of woods used for saunas | 32 |
| Sources of wool | 15 |
| Sources of world views? | 23 |
| Sources or problems for investigators | 37 |
| Sourcing abbr. | 14 |
| Sourdough | 9 |
| Sourdough alternative | 21 |
| Sourdough bread? | 16 |