A History of Short Words

From the New York Times Crossword Puzzle

PCP

Thu, 17 Oct '24
Drug also called "rocket fuel" or "ozone," for short
Sat, 11 May '24
H.M.O. designation, for short
Thu, 11 Apr '24
Doctor sought for a checkup, in brief
Thu, 28 Mar '24
Specialist in family medicine, in brief
Sun, 8 Oct '23
"Angel dust"
Mon, 6 Jun '22
Drug also known as angel dust, in brief