A History of Short Words

From the New York Times Crossword Puzzle

ETS

Sun, 21 Nov '21
Some dolls sold in a Universal Studios gift shop
Fri, 22 Oct '21
"Men in Black" antagonists
Sun, 3 Oct '21
Sci-fi travelers
Fri, 18 Jun '21
Org. that administers the G.R.E.
Thu, 20 May '21
Uranians, e.g.
Mon, 22 Mar '21
Those who are not among us (or are they?)
Thu, 14 Jan '21
Subjects of some conspiracy theories, for short
Sat, 9 Jan '21
Travelers from a faraway place, for short