| One of Kool-Aid's original seven flavors | 44 |
| One of Kyoto's claims to fame | 33 |
| One of Lana's contemporaries | 32 |
| One of Larry Holmes's weapons | 33 |
| One of Leakey's "Trimates" | 40 |
| One of Leonardo's interests: Abbr. | 38 |
| One of Leopold Auer's pupils | 32 |
| One of Lex Luthor's alter egos | 34 |
| One of life's certainties, in a saying | 42 |
| One of life's great mysteries: Part 1 | 41 |
| One of life's turning points | 32 |
| One of literature's "three sisters" | 49 |
| One of Little Joe's big brothers | 36 |
| One of Louisa's "Little Women" | 44 |
| One of Malcolm's brothers on TV | 35 |
| One of many at the U.N. headquarters | 36 |
| One of many explored by Mulder and Scully | 41 |
| One of many for "Mad Men" | 35 |
| One of many hats worn by Benjamin Franklin | 42 |
| One of many in "The Grapes of Wrath" | 46 |
| One of many in an 1889 van Gogh painting | 40 |
| One of many in the Aegean Sea: Abbr. | 36 |
| One of many lost by Charlie Brown | 33 |
| One of many on England's southern coastline | 47 |
| One of many seen in stopped traffic | 35 |
| One of Margaret Mead's topics | 33 |
| One of Marge Simpson's sisters | 34 |
| One of Mark Twain's occupations | 35 |
| One of Marty Scorsese's favorite actors | 43 |
| One of Maryland's state symbols | 35 |
| One of Massachusetts' state symbols | 39 |
| One of men's golf's majors | 34 |
| One of Mercer's collaborators | 33 |
| One of Merv's shows, informally | 35 |
| One of Meryl's Oscar-winning roles | 38 |
| One of Michael Jackson's brothers | 37 |
| One of Michelangelo's skills | 32 |
| One of Michigan's peninsulas | 32 |
| One of Mickey's arms on a Mickey Mouse watch | 48 |
| One of Miguel Cabrera's 109 in 2012 | 39 |
| One of Mitt's rivals in the 2012 primaries | 46 |
| One of Mnemosyne's daughters | 32 |
| One of Mohammed's four perfect women | 40 |
| One of Monopoly's light blue avenues | 40 |
| One of more than 76 million in the U.S. | 39 |
| One of more than a billion believers | 36 |
| One of more than four million Turks | 35 |
| One of Moses' seventy elders | 32 |
| One of Moses' spies in Canaan | 33 |
| One of Mrs. Browning's poems | 32 |
| One of multiple chemical activators | 35 |
| One of multiple jobs, metaphorically | 36 |
| One of music's three B's | 32 |
| One of my favourite cities in North America | 43 |
| One of Nadya Suleman's kids, e.g. | 37 |
| One of NATO's founding members | 34 |
| One of NBC's "Friends" | 36 |
| One of Nelson Riddle's fortes | 33 |
| One of Nero Wolfe's employees | 33 |
| One of New Guinea's two countries | 37 |
| One of New York's finest e.g. | 34 |
| One of New York's Finger Lakes | 34 |
| One of New Zealand's official languages | 43 |
| One of Nigeria's languages (var.) | 37 |
| One of Nigeria's principal languages | 40 |
| One of Nike's Most Valuable Puppets in TV ads | 49 |
| One of nine sisters of Greek myth | 33 |
| One of Nintendo's Mario Brothers | 36 |
| One of numerous childhood spots? | 32 |
| One of O'Brien's forerunners | 36 |
| One of October's birthstones | 32 |
| One of old Hollywood's Big Five | 35 |
| One of OPEC's charter members | 33 |
| One of over 1,250 restaurants, briefly | 38 |
| One of Ozzie and Harriet's boys | 35 |
| One of Paul Revere's message options | 40 |
| One of Paul Revere's signals | 32 |
| One of Perry's reporters at the Daily Planet | 48 |
| One of Perry's top reporters | 32 |
| One of Peter Rabbit's siblings | 34 |
| One of Peter Rabbit's sisters | 33 |
| One of Pittsburgh's three rivers | 36 |
| One of Plato's "Dialogues" | 40 |
| One of Poland's three most populous cities | 46 |
| One of Polynesian-Melanesian descent | 36 |
| One of Poseidon's attendants | 32 |
| One of Pres. Carter's sisters | 33 |
| One of Princess Yasmin's names | 34 |
| One of Ptolemy's 48 constellations | 38 |
| One of Ptolemy's constellations | 35 |
| One of Ptolemy's original 48 constellations | 47 |
| One of Ptolemy's original constellations | 44 |
| One of Puff Daddy's clothing labels | 39 |
| One of racing's "Big Three" | 41 |
| One of reality TV's "Guidettes" | 45 |
| One of Rin Tin Tin's successors | 35 |
| One of Robert Frost's daughters | 35 |
| One of Robin Hood's Merry Men | 33 |
| One of Rockefeller Center's original tenants | 48 |
| One of Rockne's Four Horsemen | 33 |