A History of Short Words

From the New York Times Crossword Puzzle

IFSO

Sun, 29 Aug '21
"In that case ..."
Sun, 22 Aug '21
In that case
Mon, 9 Aug '21
In that case
Wed, 19 May '21
"In that case ..."
Wed, 24 Mar '21
Should that be the case
Tue, 5 Jan '21
In that case