| Institution of higher learning | 30 |
| Institution on the Thames | 25 |
| Institution since 1701 | 22 |
| Institution that commemorates malpractice? | 42 |
| Institution to improve one's health [1938] | 46 |
| Institution touted by Horace Mann | 33 |
| Institution's agent | 23 |
| Institutional investment | 24 |
| Institutional levy | 18 |
| Institutions of higher learning | 31 |
| Institutions that elected officials shouldn't criticize | 59 |
| Institutions where ax-wielder Lizzie got educated? | 50 |
| Instr. | 6 |
| Instr. for Artie Shaw | 21 |
| Instr. for Don Ho | 17 |
| Instr. on a rush job | 20 |
| Instruct | 8 |
| Instruct a class | 16 |
| Instruct a waiter | 17 |
| Instruct again | 14 |
| Instruct and uplift | 19 |
| Instruct morally | 16 |
| Instruct spiritually | 20 |
| Instructed | 10 |
| Instructed again | 16 |
| Instructed for moral improvement | 32 |
| Instructed jointly | 18 |
| Instructed privately | 20 |
| Instruction | 11 |
| Instruction #1 for roofers? | 27 |
| Instruction at a horse show | 27 |
| Instruction at many a corner | 28 |
| Instruction at the bottom of a double-sided page | 48 |
| Instruction at the location itself | 34 |
| Instruction before "repeat" | 37 |
| Instruction book | 16 |
| Instruction book genre | 22 |
| Instruction book item | 21 |
| Instruction book segment | 24 |
| Instruction books | 17 |
| Instruction clarifier | 21 |
| Instruction divisions | 21 |
| Instruction for a user | 22 |
| Instruction for a violinist | 27 |
| Instruction for an alley cat? | 29 |
| Instruction for casual dress | 28 |
| Instruction for Johnny, in a "Breakfast Club" monologue | 65 |
| Instruction for loosening a seat belt? | 38 |
| Instruction for murder? | 23 |
| Instruction for the chef | 24 |
| Instruction for this puzzle | 27 |
| Instruction for this puzzle, part 1 | 35 |
| Instruction for this puzzle, part 2 | 35 |
| Instruction heard at a zoo exercise class? | 42 |
| Instruction in a method acting class for maids? | 47 |
| Instruction list | 16 |
| Instruction manual | 18 |
| Instruction manual beginning | 28 |
| Instruction manual entry | 24 |
| Instruction manual segments | 27 |
| Instruction manual, perhaps | 27 |
| Instruction manuals often come in it | 36 |
| Instruction next to an X | 24 |
| Instruction on a box | 20 |
| Instruction on a cake found by Alice | 36 |
| Instruction on a cap | 20 |
| Instruction on a door | 21 |
| Instruction on a French I exam | 30 |
| Instruction on a jukebox | 24 |
| Instruction on a record executive's answering machine message? | 66 |
| Instruction on preparing a tiny Thanksgiving side dish | 54 |
| Instruction part | 16 |
| Instruction parts | 17 |
| Instruction segment | 19 |
| Instruction segments | 20 |
| Instruction sheet start | 23 |
| Instruction sometimes followed by "repeat" | 52 |
| Instruction to a boxer | 22 |
| Instruction to a chauffeur | 26 |
| Instruction to a driver | 23 |
| Instruction to a shepherd | 25 |
| Instruction to a tailor | 23 |
| Instruction to a violinist | 26 |
| Instruction to a woman in labor | 31 |
| Instruction to an equestrian | 28 |
| Instruction to an overexcited Frenchman? | 40 |
| Instruction to chorus singers | 29 |
| Instruction to Kate in a Cole Porter musical | 44 |
| Instruction to play with the bow | 32 |
| Instruction to someone hanging a painting | 41 |
| Instruction to someone who's on fire | 40 |
| Instruction unit | 16 |
| Instruction units | 17 |
| Instruction with restorative powers? | 36 |
| Instruction written in currants for Alice | 41 |
| Instruction, part 1 | 19 |
| Instruction: Abbr. | 18 |
| Instructional | 13 |
| Instructional book | 18 |
| Instructional books | 19 |