A History of Short Words

From the New York Times Crossword Puzzle

PHDS

Mon, 12 Feb '24
Professors' degs.
Sat, 10 Feb '24
Honors held by only one U.S. president and one U.K. prime minister
Sun, 12 Nov '23
Degrees for most profs
Fri, 17 Jun '22
Many college profs
Wed, 8 Jun '22
Many profs
Sat, 21 May '22
Results of some successful defenses
Mon, 2 May '22
Some advanced degree holders
Tue, 22 Feb '22
Third degrees, for short
Sun, 27 Jun '21
High degrees, for short