A History of Short Words

From the New York Times Crossword Puzzle

SAM

Mon, 11 Oct '21
"Uncle ___ Wants You"
Mon, 26 Jul '21
Companion of Frodo in "The Lord of the Rings"
Mon, 8 Mar '21
Uncle ___ (patriotic figure)
Tue, 2 Mar '21
Cooke who was known as the "King of Soul"
Tue, 23 Feb '21
Dr. Seuss' ___-I-am
Fri, 29 Jan '21
Uncle ___