Some nominations:

Ian and Sylvia Northern Journey

Bob Dylan The Freewheelin' Bob Dylan

Hank Williams 24 Greatest Hits

Woody Guthrie A Legendary Performer

Bill Monroe Bean Blossom

The Carter Family Lonesome Pine Special

Leadbelly Leadbelly's Last Sessions

All three volumes Anthology of American Folk Music

Jimmie Rodgers The Legendary Jimmie Rodgers

Robert Johnson King of the Delta Blues

Bobby Blue Bland Best of Bobby Blue Bland

Anthology on Vanguard Great Bluesmen

John Fahey Blind Joe Death

Nitty Gritty Dirt Band/ Earl Scruggs Will the Circle be Unbroken