| Something inside an env. | 24 |
| Something besides the ltr. | 26 |
| SASE, often | 11 |
| Ltr.-bottom letters | 19 |
| Ltr. add-in | 11 |
| Letter-ending abbr. | 19 |
| It's added to an env. | 25 |
| Cause of an env. bulge | 22 |
| Business letter abbreviation | 28 |
| Britannica, for one: Abbr. | 26 |
| Abbr. at the end of a business letter | 37 |
| "Look inside" abbr. | 29 |
| What's inside an env. | 25 |
| What a SASA is | 14 |
| Wedding RSVP, e.g. | 18 |
| Volume purchase?: Abbr. | 23 |
| Steno's abbr. | 17 |
| Stamped return env., for example | 32 |
| Stamped return env., e.g. | 25 |
| Something inside: Abbr. | 23 |
| Something inside an envelope: Abbr. | 35 |
| Something in a ltr. | 19 |
| SASE, perhaps: Abbr. | 20 |
| SASE, perhaps | 13 |
| SASE e.g. | 10 |
| SAE, e.g. | 9 |
| S.A.S.E., for one | 17 |
| RSVP card, e.g. | 15 |
| Response card, e.g. | 19 |
| Researcher's aid: Abbr. | 27 |
| Reply card, e.g.: Abbr. | 23 |
| Ref. wk. | 8 |
| Ref. wd. | 8 |
| Ref. book set | 13 |
| Placed inside: abbr. | 20 |
| Pkg. insert | 11 |
| Picture of your kids in a Christmas card: Abbr. | 47 |
| Multi-vol. set | 14 |
| Ltr. extra | 10 |
| Ltr. addition | 13 |
| Ltr. accompanier | 16 |
| Letters in a letter | 19 |
| Letter abbr. that tells the reader there's something else in the envelope | 77 |
| Knowledge source: Abbr. | 23 |
| It may support a written claim: Abbr. | 37 |
| It may be a copy of a ck. | 25 |
| Insert: Abbr. | 13 |
| Included, as an SASE | 20 |
| In the envelope: abbr. | 22 |
| Fenced in: Abbr. | 16 |
| Envelope contents: Abbr. | 24 |
| Env. in an env., say | 20 |
| Env. addition | 13 |
| Env. add-in | 11 |
| Enclosed, abbr. | 15 |
| Doc. with a ltr. | 16 |
| Dict. shelfmate | 15 |
| Cover-letter letters | 20 |
| Compton's, for one: Abbr. | 29 |
| Collier's, for one: Abbr. | 29 |
| Collier's work: Abbr. | 25 |
| Check included with a ltr., e.g. | 32 |
| Business-letter footnote | 24 |
| Business letter notation: Abbr. | 31 |
| Bus.-ltr. abbr. | 15 |
| Bus.-letter abbr. | 17 |
| Bus. ltr. abbr. | 15 |
| Bus. letter notation | 20 |
| Bus. letter attachment | 22 |
| Bus. letter abbr. | 17 |
| Bottom-of-the-letter abbr. | 26 |
| An SASE is one | 14 |
| Addl. document in an envelope | 29 |
| Abbr. with a check | 18 |
| Abbr. on a cover letter | 23 |
| Abbr. at the bottom of an application | 37 |
| A set of bks. | 13 |
| "There's something else in this envelope": Abbr. | 62 |
| Put behind bars | 15 |
| Lock up in a bar room? | 22 |
| Keep in a coop | 14 |
| Confine a canary | 16 |
| Put in a zoo, say | 17 |
| Coop up in a coop | 17 |
| Confine, as a canary | 20 |
| Confine, as a bird | 18 |
| Confine a budgerigar | 20 |
| Set up tents | 12 |
| Pitch tents | 11 |
| Settle in | 9 |
| Set up a tent | 13 |
| Unload, pitch tents, etc. | 25 |
| Set up a base | 13 |
| Put up tents | 12 |
| Pitch one's tent | 20 |
| Use a tent | 10 |
| Stop for the night, as soldiers | 31 |
| Stop for the night | 18 |
| Spend a night on the trail | 26 |
| Settle down temporarily | 23 |