| Belated observation of 4/14/12 | 30 |
| Arctic sea menace | 17 |
| Arctic Sea floater | 18 |
| Arctic Ocean peril | 18 |
| Arctic navigation hazard | 24 |
| Arctic menace | 13 |
| Arctic island of a sort | 23 |
| Arctic hazard, for short | 24 |
| Polly | 5 |
| Film director Ingmar | 20 |
| "The Seventh Seal" director | 37 |
| Three-time Oscar winner for Best Foreign Language Film | 54 |
| Three-time Best Foreign Language Film winner | 44 |
| Swedish film director | 21 |
| Screen's Ingmar or Ingrid | 29 |
| Oscar winner Ingrid | 19 |
| Movie legend Ingrid | 19 |
| Director with three Best Foreign Film Oscars | 44 |
| "Gaslight" Oscar winner, 1944 | 39 |
| Arctic floaters | 15 |
| Arctic sights | 13 |
| Navigation hazards | 18 |
| Shipping hazards | 16 |
| Ice masses | 10 |
| They might scrape bows | 22 |
| Ross Sea sights | 15 |
| Growlers | 8 |
| Frozen masses | 13 |
| Arctic masses | 13 |
| Arctic hazards | 14 |
| They go with the floe | 21 |
| Ice floes | 9 |
| Ice chunks | 10 |
| Hull hazards | 12 |
| Frozen floaters | 15 |
| Floating hazards | 16 |
| Bow breakers? | 13 |
| Arctic sightings | 16 |
| Alaskan cruise sightings | 24 |
| Shipping worries | 16 |
| Ocean hazards | 13 |
| North Sea floaters | 18 |
| Little ones are calves | 22 |
| Icy Arctic hazards | 18 |
| Ice shelf breakaways | 20 |
| Ice mounds | 10 |
| Ice formations | 14 |
| High main drifters? | 19 |
| Habitats for some seals | 23 |
| Gertrude and Patty | 18 |
| Frozen mountains | 16 |
| Floaters in northern seas | 25 |
| Cold-water hazards | 18 |
| Baffin Bay sights | 17 |
| Arctic scenery | 14 |
| Arctic Circle sights | 20 |
| Arctic chunks | 13 |
| Arctic castoffs | 15 |
| Antarctic phenomena | 19 |
| When repeated, a vitamin B deficiency | 37 |
| Doubled, a thiamine deficiency | 30 |
| Half a disease | 14 |
| When repeated, a vitamin B deficiency disease | 45 |
| Sudanese native | 15 |
| Repeated, it's a disease | 28 |
| When doubled, a vitamin deficiency | 34 |
| Twice, a thiamine deficiency | 28 |
| Repeated, a vitamin deficiency | 30 |
| Half a thiamine deficiency | 26 |
| Half a sailor's disease | 27 |
| Half a rice diet disease | 24 |
| Doubled, a tropical disease | 27 |
| Double this for a disease | 25 |
| ____beri | 8 |
| Stalin's police chief | 25 |
| Liquidated Russian: 1953 | 24 |
| V.I.P. under Stalin | 19 |
| Stalin's top cop | 20 |
| Soviet secret police chief | 26 |
| Purgerof Stalin's opponents | 31 |
| One of Stalin's cronies | 27 |
| N.K.V.D. chief, once | 20 |
| Late Russian V.I.P. | 19 |
| Late KGB chief | 14 |
| Head of Soviet secret police, 1938-53 | 37 |
| Communist leader from Georgia | 29 |
| Lack of vitamin B causes it | 27 |
| Disease | 7 |
| Repetitive-sounding vitamin deficiency | 38 |
| Disease caused by vitamin B deficiency | 38 |
| Disease caused by a thiamine deficiency | 39 |
| Vitamin B-1 deficiency | 22 |
| Vitamin B deficiency disorder | 29 |
| Thiamine-deficiency disease | 27 |
| Thiamine deficiency woe | 23 |
| Result of thiamine deficiency | 29 |
| It's caused by thiamine deficiency | 38 |
| Disease whose name is a reduplication of the Sinhalese word for "weakness" | 84 |
| Disease of the East | 19 |
| Disease caused by lack of thiamine | 34 |