Only Canadian major league team, on scoreboards
Only Canadian MLB city
Only Canadian MLB team
Only Canadian PM with message on the moon
Only cardinal direction that isn't in a U.S. state name
Only cardinal point not in a U.S. state name
Only Central American nation whose official language is English
Only character mentioned in the "Star Wars" crawl
Only character with the same name in both 'Rent' and 'La Bohème'
Only chess move in which two pieces move on the same turn
Only child's lack
Only city from which two NHL hockey teams relocated (both went to Canada)
Only city on California's Catalina Island
Only coach to win both N.F.L. and A.F.L. championships
Only color of the rainbow not seen on the L.G.B.T. pride flag
Only Columbia grad to become President
Only common English word from the Finnish
only common word in the english language with the consecutive letters mpg
Only commonly edible rock
Only commonly ingested rock
Only companion
Only composer Nobelist
Only continent larger than Africa
Only country in which Catalan is the official language
Only country that starts with O
Only country whose capital starts with "Q": Abbr.
Only country with a non-rectangular flag
Only country with a nonrectangular flag
Only country without a rectangular flag
Only creature besides humans to farm other creatures
Only creature that blushes
Only crime defined in the Constitution
Only daughter of Elizabeth II
Only daughter of Queen Elizabeth II and Prince Philip
Only DC-born VP
Only deaf performer to win an Oscar
Only defenseman to have won the N.H.L. scoring title (1970, 1975)
Only defenseman to lead the NHL in scoring
Only digit in the ZIP code for Newton Falls, Ohio
Only direction not in a state name
Only domestic species in the family Felidae
Only Dwarf without a beard
only eats meat
Only English pope
Only Englishman named a Dr. of the Church
Only essential components
Only European capital on both a river and an ocean
Only even prime
Only even prime number
Only event in which Venezuela medaled at the 2012 Olympics
Only externally visible part of the central nervous system
Only fair
Only fair, or an alternative title for this puzzle?
Only female attorney general
Only female Israeli prime minister
Only female role in a certain Bard romance
Only Fibonacci number that appears twice in the sequence
Only for certain tastes
Only founding member of OPEC not located in the Mideast
Only four-letter Great Lake
Only four-letter room in Clue
Only four-term prez
Only freely flying mammals
Only gem made by an animal
Only gestured and moved
Only God can make one, according to Kilmer
Only God can make one: Kilmer
Only good part of a bad movie?
Only graphic novel to win a Pulitzer Prize (awarded 1992)
Only Great Lake bordering Pennsylvania
Only Great Lake that borders Pennsylvania
Only Greek state motto
only half awake
Only half-pretentious?
Only have eyes for
Only highest-grossing film of the year that lost money
Only Hispanic performer with an Emmy, Grammy, Oscar and Tony
Only hit song for which title and artist are both palindromes
Only Hitchcock film to get a Best Picture Oscar
Only Hitchcock film to win Best Picture
Only horse to beat Man o' War
Only horse to defeat Man o' War
Only host country to win the Women's World Cup
Only hypothetical
Only if
only in a chosen few
Only in name
Only in the past
Only inanimate sign
Only inanimate zodiac representation
Only inanimate zodiac sign
Only inanimate zodiac symbol
Only Indonesian-speaking President
Only ingredient in Accent, in brief
Only Iowa-born president
Only its Touch model is currently sold
Only Jet who was a Super Bowl MVP
only just
Only just achieved, with "out"
Only just broke the tape
Only just get, with "out"
Only just managed, with "out"
Only known animal to prey on great white sharks
Only landlocked country in Southeast Asia
Only last name shared by two different Best Actor Oscar winners
Only Literature Nobelist also to win an Oscar
Only living thing that can be seen from outer space
Only look
Only M.L.B. team that Johnny Bench played for (1967-83)
Only major "M*A*S*H" character played by the same actor in the film and TV series
Only major league team without a no-hitter to its credit
Only major Texas city on Mountain Time
Only major U.S. city bisected by a mountain range
Only major U.S. city with a radio station whose call letters spell the city's name
Only make-believe
Only male singles Career Golden Slam winner
Only male-lead Emmy actor for comedy and drama
Only mammal with horns made of keratin
Only man ever to win an L.P.G.A. Tour tournament (1962)
Only man to be U.S. President and Chief Justice
Only man to serve as U.S. President and Chief Justice of the Supreme Court
Only man to win both a Nobel Prize and an Oscar
Only man to win two tennis Grand Slams
only marsupial native to the americans
Only matchmaker in town?
Only member of both OPEC and the British Commonwealth
Only Met ever to have a 30-game hitting streak
Only metal that's liquid at room temperature
Only Mexican state that borders Baja
Only mildly sweet
Only minimally
Only Mississippi-born Literature Nobelist
Only MLB'er to hit 60 homers thrice
Only mo. that can begin and end on the same day
Only mo. that can begin and end on the same day of the week
Only mo. that can pass without a single full moon
Only mo. that can start and end on the same day
Only monosyllabic state
Only monosyllabic U.S. state
only mosquitoes bite you
only murders in the building steamer
Only musician to hit #1 on the Billboard Hot 100 as both a vocalist and an instrumentalist
Only N.F.L. franchise to win championships representing three different cities
Only N.F.L. team with a perfect season (1972)
Only nation with a Caspian and Indian Ocean coastline
Only native Englishman ever named Doctor of the Church by a pope
Only NATO member with no standing army
Only NFC team that hasn't played in a Super Bowl
Only NFL coach with a perfect season
Only NFL quarterback with more than 10,000 pass attempts
Only NFL team to lose all 16 games in a season
Only NFL team with a perfect season
Only NFL team without a helmet logo, on scoreboards
Only Nobelist besides Marie to win the prize in two fields
Only non-rhyming Pac-Man ghost
Only non-Southern state won by the G.O.P. in '64
Only non-U.S. M.L.B. team, on scoreboards
Only non-U.S. M.L.B. team: Abbr.
Only nonrhyming ghost in Ms. Pac-Man
Only nonsentient zodiac symbol
Only nonvocal instrument in Britten's "A Ceremony of Carols"
Only nonvocal instrument in Britten's "Ceremony of Carols"
Only now and then
Only number that can be typed with a keyboard's top row
Only O.K.
Only O.T. book that never mentions God: Abbr.
Only occupant of Vostok I
Only off when mad dogs go out?
Only okay
Only one
Only one assigned to a bomb?
Only one bears the name of a U.S. president
Only one fed. holiday falls on it annually
Only one of Rolling Stone's "500 Greatest Songs" not written in English
Only one of the 13 Colonies not touching the Atl. Ocean
Only one of the Seven Dwarfs to wear glasses
Only one person can do it
ONLY one time
Only one U.S. prez has had one
only one way to get to the top
Only one-syllable state
Only one-syllable state capital
Only Oscar winner/Nobelist before Dylan
Only other state in Alaska's time zone
Only outfielder besides Winfield to win Gold Gloves in both leagues in the 1900s
Only Pacific island monarchy
Only palindromic French Open champ
Only palindromic top-40 song title from a palindromic-name group
Only part of Egypt in Asia
Only part of Egypt located in Asia
Only partly
only partly in existence
Only partner
Only patron on "Cheers" to appear in all 275 episodes
Only Pennsylvania county that borders New York and Ohio
Only performer with a speaking part in 1976's "Silent Movie"
Only person to win both an Academy Award and a Nobel Prize
Only person to win both an Oscar and a Nobel
Only person to win Emmys for acting, writing and directing
Only person to win the Nobel Prize in two different scientific fields
Only pitcher whose jersey number was retired by the Mets
Only place in the U.S. to host both the Summer and Winter Olympics, informally
Only place where some ideas look good
Only places to find anteaters in the U.S.
Only planet not named for a god
Only planet with exactly one moon
Only player on more than two winning World Cup teams
Only player other than Sheffield to make the All-Star team with five different clubs
Only player to appear in both the Super Bowl and World Series
Only player to ever sink an ace in a Skins Game
Only player to hit 60 home runs in a season three times
Only player with three 60+ home run seasons
Only poisonous snake in Britain
Only positive integer that's neither prime nor composite
Only pres. born in Missouri
Only president besides Washington to run unopposed
Only president born in Hawaii
Only president born in New Hampshire
Only president born outside the continental United States
Only president from Mo.
Only president other than LBJ born in Texas
Only president to administer the oath of office to two other presidents
Only president to be married in the White House
Only President to become Chief Justice
Only president to graduate from Columbia University
Only president to have 15 children
Only president to scale the Matterhorn
Only president to serve as both vice president and president without being elected to either office
Only president to win a Pulitzer
Only president to win a Pulitzer Prize
Only president who was also a chief justice
Only president who was also chief justice
Only president whose grandfather was also president
Only president with three VPs
Only private non-American to address a joint session of Congress (1989)
Only proper noun in the Beatles' "Revolution"
Only QB to start five Super Bowls
Only reason to watch the Super Bowl, some say
Only reigning pope to write an autobiography
Only remaining
Only remaining home of the Asiatic cheetah
Only republic on the Arabian Peninsula
Only Rose, Aaron, Musial, Mays, Bonds, and Yount have played more National League games than him
Only sch. to win both the men's and women's N.C.A.A. basketball titles in the same year
Only Semitic language that's an official language of the European Union
Only single-syllable state capital
Only single-syllable state name
Only single-syllable surname in an immortal '60s quartet
Only slightly
Only so far