| A crossword editor has to be very careful when changing one--unlike this puzzle's editor, who was careless four times herein |
| Phase of history. |
| School subject: Abbr. |
| Highway distances in Europe: Abbr. |
| Group that assigns film ratings: Abbr. |
| Australian state whose capital is Sydney: Abbr. |
| Computer monitor: Abbr. |
| Group that determines a film's rating: Abbr. |
| Otto's realm: Abbr. |
| Group that assigns movie ratings: Abbr. |
| Conversation is ___ in which a man has all mankind for his competitors": Ralph Waldo Emerson |
| A check inside? (Abbr.) |
| Touchdown abbr. |
| Abbr. in some office titles |
| Ice Bucket Challenge cause: Abbr. |
| Group that awards merit badges: Abbr. |
| A Scottish language |
| What's your ___?" ("When is your flight supposed to land?"): Abbr. |
| Doctor who examines tonsils and sinuses: Abbr. |
| Food additive (abbr.) |
| A river and a cartoonist |
| Adoption option: Abbr. |
| Critters' protector: Abbr. |
| Abbr. also known as Lou Gehrig's Disease |
| Abbr. at the bottom of a business letter |
| Abbr. in a library catalog |
| Abbr. for a handy-andy |
| Short vinyl recordings: Abbr. |
| Former Egypt-Syria alliance (Abbr.) |
| Padded purchase, perhaps |