A History of Short Words

From the New York Times Crossword Puzzle

ASPCA

Sun, 10 Mar '24
Dog adoption grp.
Sun, 30 Jul '23
Org. that sells "Speaking up for those who can't" T-shirts
Sun, 26 Mar '23
Org. that facilitates adoptions
Sun, 19 Dec '21
Popular adoption agcy.
Sun, 5 Dec '21
Pet lovers' org.
Tue, 24 Aug '21
Org. with a staff of veterinarians