Categories

The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.

• World record holders‏‎ (1 member)
• World records‏‎ (1 member)
• Wrexham A.F.C. players‏‎ (1 member)
• Wright-Patterson Air Force Base‏‎ (1 member)
• Wright Flying School alumni‏‎ (1 member)
• Wright brothers‏‎ (5 members)
• Wright family‏‎ (1 member)
• Writers‏‎ (1 member)
• Writers about religion and science‏‎ (1 member)
• Writers from Alaska‏‎ (2 members)
• Writers from Algiers‏‎ (1 member)
• Writers from Anchorage, Alaska‏‎ (1 member)
• Writers from Brooklyn‏‎ (1 member)
• Writers from Detroit‏‎ (1 member)
• Writers from Duluth, Minnesota‏‎ (1 member)
• Writers from Kansas‏‎ (1 member)
• Writers from Lyon‏‎ (1 member)
• Writers from Oklahoma‏‎ (1 member)
• Writers from Toronto‏‎ (1 member)
• Writers from the City of Westminster‏‎ (1 member)
• Writers in Latin by century‏‎ (2 members)
• Writers in Latin by nationality‏‎ (1 member)
• Writers who illustrated their own writing‏‎ (1 member)
• Writing‏‎ (1 member)
• Württemberger emigrants to the United States‏‎ (1 member)
• X-15 aircraft‏‎ (0 members)
• X-15 program‏‎ (1 member)
• X-1 aircraft‏‎ (0 members)
• X-plane program‏‎ (0 members)
• X-planes‏‎ (1 member)
• X-planes by country‏‎ (0 members)
• X-ray spectroscopy‏‎ (1 member)
• X-rays‏‎ (1 member)
• X-tail aircraft‏‎ (1 member)
• X band radar‏‎ (1 member)
• YF-23‏‎ (0 members)
• YF-23 Black Widow II‏‎ (0 members)
• Yale University alumni‏‎ (3 members)
• Yamina politicians‏‎ (1 member)
• Yaw (aeronautics)‏‎ (2 members)
• Yaw Control‏‎ (1 member)
• Yaw stability‏‎ (2 members)
• Year of birth missing‏‎ (12 members)
• Year of birth missing (living people)‏‎ (63 members)
• Year of birth uncertain‏‎ (5 members)
• Year of birth unknown‏‎ (2 members)
• Year of death missing‏‎ (9 members)
• Year of death uncertain‏‎ (2 members)
• Year of death unknown‏‎ (5 members)
• Yield Estimation‏‎ (0 members)