Here's the catalog data from Indiana University Sheet Music Collections:

Title: Just because
Composer: Shelton, Bob
Composer: Shelton, Joe
Composer: Robin, Sid
Lyricist: Shelton, Bob
Lyricist: Shelton, Joe
Lyricist: Robin, Sid
Performer: Frankie Yankovic
Performer: Dick Stabile
Performer: Eddy Howard
Performer: The Shelton Brothers
Publisher: Leeds Music Corporation
Place of publication: New York
Date of publication: 1941
Call Number: M1 .D48 Box: 039 Item: 046
Performance Medium: Piano, Voice and Chords
First Line: Just because you think you're so pretty, just because you think
Chorus First Line: Just because you think you're so pretty, just because you think
Genre: Popular song

The Guitar Guy has chords, but I've heard some people criticize his arrangements. How many folk musicians know how to play a D9 chord?