One of a Vegas pair
One of a very close pair of brothers
One of a very large seven
One of a violin quartet
One of a vivacious pair
One of a vocal pair
One of a warming pair
One of a watery quintet
One of a watery seven
One of a weatherman's three H's
One of a well-known septet
One of a West Coast trio
One of a wet quintet
One of a White House couple until 2017
One of a winter foursome
One of a winter pair
One of a world majority
One of a world septet
One of a yard trio
One of a yawl's pair
One of a yawl's two
One of a Yule trio
One of a zany foursome
One of a ZZ Top duo?
One of AA's 12
One of AA's twelve
One of Aaron's 86 in '68
One of Abel's brothers
One of about 1,000 in Lux.
One of about 1,500,000 in the Everglades
One of about 100 billion in the human brain
One of about 11 in a foot-candle
One of about 14,500 in Manhattan
One of about 2,400,000 in the United States
One of about 268,600 in Tex.
One of about 3,000 in Shakespeare's plays
One of about 3,412 in a kW-h
One of about 3.4 million Asians
One of about 4.5 billion
One of about 400,000 in the United States
One of about 500 million needed to fill an Olympic swimming pool
One of about a million on a jetliner
One of about five of blood in the average adult body
One of about nine million South Africans
One of Abraham Lincoln's is in the Smithsonian
One of academe's Seven Sisters
One of academia's Seven Sisters
One of action
One of Adam's clan
One of Adam's grandchildren
One of Adam's sons
One of Aesop's animals
One of Aesop's stories
One of Afghanistan's official languages
One of AFI's top 20 film heroes
One of Africa's largest cities
One of Agatha's sleuths
One of Alcott's "Little Men"
One of Alcott's "Little Women"
One of Alcott's women
One of Ali's career 25
One of all fours?
One of almost 20 French kings
One of Alvin's cohorts
One of Alvin's singing partners
One of America's 50
One of America's cinquante
One of America's nine
One of American banking's Big Four, for short
One of an academic octet
One of an acre's 160
One of an acre's four
One of an air pair
one of an American breed of chickens
One of an amorous pair
One of an ancient dozen
One of an ancient Jewish sect
One of an apocalyptic quartet
One of an au pair?
One of an edible bunch
One of an educational trio
One of an Egyptian 30
One of an element's closely related atoms
One of an elite eatery trio
One of an express lane's 15 maximum
one of an extinct family of cryptogamous trees, including the genus Sigillaria and its allies
One of an iamb's two
one of an imaginary race of half-size people
One of an indistinguishable pair
One of an infant's pair
One of an infield quartet
One of an inning's three
One of an inning's three, which can follow the first word of 17-, 29-, 47- and 63-Across
One of an Iraqi minority
One of an iris's three
One of an MLB quartet
One of an oboe's pair
One of an octopus's octet
One of an old drive-in double feature, maybe
One of an old film duo
One of an old film trio
One of an old threesome
One of an orange trio
One of an Oreo's forty-eight
One of an umlaut's two
One of an uplifting pair
One of ancient China's Three Kingdoms
One of Antarctica's seas
One of Apu's octuplets on "The Simpsons"
One of Archie's pals
One of Archie's three sons
One of Argus's array
One of Arthur's knights
One of Artie's exes
One of Asia's 10 most populous cities
One of Asta's feeders
One of Asta's masters
One of Asta's owners
One of at least two in a split
One of Attila's men
One of Augusta National's first two female members
One of Australia's six
One of auto repair's Pep Boys
One of Babe Ruth's 714
One of baby's first words
One of Barbie's siblings
One of Barrie's Darlings
One of Bart Simpson's aunts
One of Bart Simpson's sisters
One of Bart's catch phrases on "The Simpsons"
One of Bart's sisters
One of baseball's Alou brothers
One of baseball's Alous
One of baseball's DiMaggio brothers
One of Baskin-Robbins' 31
One of Beethoven's 32
One of Beethoven's nine: Abbr.
One of Ben Cartwright's sons
One of Ben Franklin's certainties
One of Ben's boys on "Bonanza"
One of Benjamin Franklin's certainties
One of Betty's "Golden Girls" costars
One of billions in a puffball
One of Bing Crosby's labels
One of Bing Crosby's record labels
One of Bo Peep's charges
One of Bo's namers
One of Bo's owners
One of Bogart's spouses
One of Bolivia's capitals
One of Bolivia's official languages
One of Broadway's Shuberts
One of Brooklyn's Boys of Summer
One of Buddhism's three fires
One of Bugs' foes
One of Bugs's antagonizers, familiarly
One of C.S. Lewis's four loves
One of cable's oldest networks
One of Caesar's assassins
One of Cain's brothers
One of California's Santas
One of Calliope's sisters
One of Calvin's alter egos (abbr.)
One of Can.'s Maritime provinces
One of Canada's First Nations
One of Canada's Prairie Provinces
One of Canada's two main polit. parties
One of Captain Ahab's legs
One of Captain Hook's band
One of Carl Perkins' "blue suede" pair
One of Carlin's seven dirty words that's since become commonplace
One of Carmen's people
One of Carrie Bradshaw's main love interests in "Sex and the City"
One of Carter's charges, on TV
One of Central Park's 840
one of certain muscles of the hand and foot used in flexing the digits
One of Cezanne's "saisons"
One of Chaney's thousand
One of Charles's brothers
One of Charlie's Angels
One of Charlie's crimefighters
One of Charlie's trio
One of Charlie's women
One of Charlton's many sans-pants parts
One of Chaucer's Canterbury pilgrims
One of Chaucer's pilgrims
One of Chaucer's travelers
One of Chekhov's "Three Sisters"
One of Chekhov's sisters
One of chemically related compounds
ONE of children of same parents
One of China's Northern Dynasties
One of Chopin's 26
One of Chopin's 27
One of Christianity's deadly sins
One of Christy's troupe
One of Churchill's four offerings
One of Churchill's offerings?
One of Circe's pair
One of Circe's two
One of classic TV's Huxtables
One of classical music's "Three B's"
One of classical music's Three Bs
One of Cleo's wooers
One of Cleopatra's charms
One of Clevelands nine
One of Clinton's old offices
One of Clooney's pals
One of Columbus' caravels
One of Columbus' fleet
One of Columbus' ships
One of Columbus' trio
One of Columbus's fleet
One of Columbus's ships
One of Columbus's three ships
One of composer John Williams' five
One of Cooperstown's "First Class"
One of Cooperstown's inaugural class
One of Cordelia's sisters
One of Cornwallis' men
One of Costner's co-stars in "Mr. Brooks"
One of Cotton-tail's siblings
One of Count Dracula's forms
One of Crackle's colleagues
One of Crayola's 64
One of Crayola's hundreds
One of Crayola's standard colors
one of crew of steam train
One of CSN&Y
One of da Vinci's 12
One of da Vinci's twelve
One of Dada's daddies?
One of Dada's fathers
One of Daddy's triplets
One of Dancer's partners
One of Darrow's clients
One of Darwin's "imps of darkness"
One of Darwin's fields
One of Dave's "Late Night" successors
One of David's compositions
One of David's hymns
One of David's songs
One of DC Comics' Teen Titans
One of dem?
One of Detroit's big three
One of diamonds?
One of Dick and Dan's ensemble
One of die Planeten
One of Doc's cohorts
One of dogdom's "gentle giants"