Guy Lodgson in 1990-1991 at the Smithsonian Institution as it appears in the book "Hard Travelin' The Life and Legacy of Woody Guthrie".
Most were eventually released on Rounder Records Woody Guthrie, Columbia River Collection C1036 in 1987.
Series of Discs for the Library of Congress, recorded by the Almanac Singers, only those written by or featuring Woody Guthrie are included here.
Possibly Guthrie's most famous recordings, conducted over a series of days by Moses "Moe" Asch in 1944 and 1945.
These are included in a list available at the United States Library of Congress titled "Surviving Recordings in the Smithsonian Folklife Archive Made by Woody Guthrie for Moses Asch".