Old age, the ancient military, and Alexander's army: positive examples for a graying America.
Kebric
R B
RB
D000368:Aged; D000369:Aged, 80 and over; D005197:Famous Persons; D000076145:Greece, Ancient; D049690:History, Ancient; D006801:Humans; D008875:Middle Aged; D008887:Military Medicine / Q000266:history; D008889:Military Personnel / Q000266:history*; D012384:Rome