| Otis Campbell and Barney Gumble | 31 |
| Ones who have many white belts? | 31 |
| Odd way to do a gangster movie? | 31 |
| Oz musical, "The ___" | 31 |
| One involved in globe trotting? | 31 |
| Odin's Germanic counterpart | 31 |
| Object of Kong's affections | 31 |
| One who's hard to pin down? | 31 |
| Old designation for strong beer | 31 |
| One-third of a Fab Four refrain | 31 |
| One third of a Fab Four refrain | 31 |
| Old Faithful locale, familiarly | 31 |
| One of two definitive responses | 31 |
| Owner of a Lonely Heart band | 31 |
| Often-offensive form of address | 31 |
| One of two in a Canadian puzzle | 31 |
| One of two found in mezzanines? | 31 |
| Omega's English counterpart | 31 |
| One of a googol in a googolplex | 31 |
| Of little importance in Poland? | 31 |
| One-time inlet of the North Sea | 31 |
| Org. aiding stranded motorists | 30 |
| Org. that will turn 50 in 2008 | 30 |
| Organization with many boomers | 30 |
| One of Gutzon's rock faces | 30 |
| Opening-day pitcher, typically | 30 |
| One-year prison term, in slang | 30 |
| One who gives special service? | 30 |
| On-the-rise Taiwanese PC maker | 30 |
| Old phonograph record material | 30 |
| Outbursts over ostmarks, maybe | 30 |
| Org. co-founded by Jane Addams | 30 |
| Org. Helen Keller helped found | 30 |
| One of the "back 40" | 30 |
| One who might be in for a fall | 30 |
| One may have only one big part | 30 |
| Org. with a Seal of Acceptance | 30 |
| Org. named on toothpaste tubes | 30 |
| Org. concerned with tooth care | 30 |
| Oil well fire fighter, of note | 30 |
| One brainstorming catchphrases | 30 |
| One point from a service break | 30 |
| Org. once headed by L. Strauss | 30 |
| Olympic freestyle skiing event | 30 |
| Of or for planes, blimps, etc. | 30 |
| Oxygen-requiring microorganism | 30 |
| Org. with Raiders and Steelers | 30 |
| Org. founded by Samuel Gompers | 30 |
| Opposite of fore, on a frigate | 30 |
| Onetime Time film critic James | 30 |
| Outline for a business meeting | 30 |
| Order of business at a meeting | 30 |
| Opera's Ethiopian princess | 30 |
| Opera with an Egyptian setting | 30 |
| Order before "Fire!" | 30 |
| Order at the Pig & Whistle | 30 |
| Oldest of the Baldwin brothers | 30 |
| On the calmer side, nautically | 30 |
| On the calmer side of the ship | 30 |
| On the calmer side of the boat | 30 |
| Olds that replaced the Achieva | 30 |
| Oldsmobile's final compact | 30 |
| Oscar-nominated role for Smith | 30 |
| One with a famous opening act? | 30 |
| One might not hold up in court | 30 |
| Out on ___ (exposed to danger) | 30 |
| Onetime mayor of San Francisco | 30 |
| O'Connor's replacement | 30 |
| Object of a hajji's praise | 30 |
| Order in a preschool classroom | 30 |
| One who's back in the pack | 30 |
| One not ending on a high note? | 30 |
| One of the Radcliffe graduates | 30 |
| Ones who no longer have class? | 30 |
| One-third of a Menlo Park name | 30 |
| Org. involved in patient work? | 30 |
| Org. with a much-cited journal | 30 |
| Org. with a House of Delegates | 30 |
| Org. in the health care debate | 30 |
| One of a "love" trio | 30 |
| Our man or woman abroad: Abbr. | 30 |
| One may prefer them to blondes | 30 |
| Of the surrounding environment | 30 |
| One having an identity crisis? | 30 |
| Otis of the Kansas City Royals | 30 |
| Opie's dad, on 60's TV | 30 |
| Opposite of "please" | 30 |
| Oscar-winning director of 2005 | 30 |
| One opening up a can of worms? | 30 |
| One with absolutely no manners | 30 |
| O'Day or Bryant of songdom | 30 |
| One of two wives of Henry VIII | 30 |
| One in a long line of workers? | 30 |
| One who hasn't turned pro? | 30 |
| One with an imitation vocation | 30 |
| Orbit's most distant point | 30 |
| One of 12 in the New Testament | 30 |
| One skilled at pulling strings | 30 |
| Oscar-winning film set in Iran | 30 |
| Oscar-winning Ben Affleck film | 30 |