fm1.1, 5.5, 5.9, bm.f1, bm2.f2: Postcard by J. Boyd Ellis

fm2.1, 1.6, 1.7, 2.3, 4.1, 7.8, 184, ata.3: © Woody Guthrie Publications, Inc. Courtesy of the Woody Guthrie Archive/Woody Guthrie Center

fm3.1: Photo by Sid Grossman, courtesy of Howard Greenberg Gallery, © Howard Greenberg Gallery, New York

fm4.1: Original typed lyric, “Roll On Columbia, Roll On” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

prf.1, 3.2, 5.4, 5.6, 6.7, 7.1, 9.1, 9.3, bib.1: The Bureau of Land Reclamation

prf.2: Original typed lyric, “Biggest Thing That Man Has Ever Done” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

1.1: Courtesy of the Franklin D. Roosevelt Presidential Library and Museum

1.2, 3.3, 3.5, 3.6, 3.7, 5.10, 5.11, 6.1, 6.4, 7.2, 7.3, 8.3, 8.4: Bonneville Power Administration

1.3: John Atkinson Books (UK)

1.4, 4.4: Alan Lomax Collection, courtesy of the American Folklife Center, Library of Congress

1.5, 6.2–6.3: Courtesy of the Woody Guthrie Archive/Woody Guthrie Center

1.8: Original typed lyric, “Hard Travelin’ ” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

2.1: Okemah, OK illustration by Woody Guthrie, © Woody Guthrie Publications, Inc. Courtesy of the Woody Guthrie Archive/Woody Guthrie Center

2.2: Photograph by Louis O. Wirsching, courtesy of the Barry Ollman Collection

2.4, 2.6: © Seema Weatherwax. Courtesy of Woody Guthrie Publications, Inc.

2.5: Photograph by Robert Hemming, courtesy of the Library of Congress

2.7: Illustration by Woody Guthrie, © Woody Guthrie Publications, Inc. Courtesy of the Woody Guthrie Archive/Woody Guthrie Center

2.8: Original typed lyric, “Ballad of the Great Grand Coulee” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

3.1, 5.3: The Performing Arts Federal Theatre Collection, courtesy of the Library of Congress

3.4, 6.8: Courtesy of the US Army Corps of Engineers

3.8, 9.4, bib.2: Postcard by Western Souvenirs

3.9: Original typed lyric, “Jackhammer John” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

4.2: Alan Lomax Collection, courtesy of the Prints and Photographs Division, Library of Congress

4.3: Courtesy of the Geer family

4.5: Courtesy of Woody Guthrie Publications, Inc.

4.6: Original typed lyric, “Pastures of Plenty” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

5.1: Poster by Vera Bock, courtesy of the Library of Congress

5.2: Library of Congress

5.7: Map by the Lindgren Brothers, courtesy of the Library of Congress

5.8: Bureau Of Land Reclamation, courtesy of Grant County Historical Museum

5.12: Original lyric, “Washington Talking Blues” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

6.5: Postcard by Wesley Andrews Co, Portland, Oregon

6.6: Photograph by Arthur Rothstein, courtesy of the Library of Congress

6.9: Original typed lyric, “Roll Columbia” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

7.4, 7.6: Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

7.5, 7.7: © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

7.9: Original typed lyric, “Oregon Line” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

8.1: Photograph by Diana Davies, courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

8.2: Private collection of Bill Murlin

8.5: Original typed lyric, “Columbia Talking Blues” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

9.2: Photo by Ken Stone, Western Souvenirs

ack.1: Photograph by Arthur Rothstein, courtesy of the Library of Congress

ack.2: Original handwritten lyric, “Electricity And All” by Woody Guthrie © Woody Guthrie Publications, Inc. Courtesy of the Ralph Rinzler Folklife Archives and Collections, Smithsonian Institution

bm2.1: Source unknown