X-32 (Jet fighter plane) |
1 |
X-35 (Jet fighter plane) |
-- |
SEE: F-35 (Military aircraft) |
2 |
X-43A (Hypersonic plane) -- Juvenile literature. |
1 |
X, Betty |
-- |
SEE: Shabazz, Betty |
4 |
X, Cassius, 1942-2016 |
-- |
SEE: Ali, Muhammad, 1942-2016 |
107 |
X chromosome |
1 |
X, D M |
-- |
SEE: D M X |
3 |
X-ers |
-- |
SEE: Generation X |
2 |
X-Factor (Fictitious characters) -- Comic books, strips, etc. |
9 |
X-Factor (Fictitious characters) -- Comic books, strips, etc. -- Fiction. |
2 |