Marvin E. Paymer et Don E. Post, Sentimental Journey : Intimate Portraits of America's Great Popular Songs, 1920-1945, Noble House Publishers, , 151– (ISBN978-1-881907-09-1, lire en ligne)
Catalog of Copyright Entries : Third series, , 362– (lire en ligne)
Peter A. Kopp, Hoptopia : A World of Agriculture and Beer in Oregon's Willamette Valley, Univ of California Press, , 112– (ISBN978-0-520-27748-9, lire en ligne)
Nielsen Business Media, Inc., Billboard, Nielsen Business Media, Inc., , 38– (ISSN0006-2510, lire en ligne)
Dan Dietz, Off Broadway Musicals, 1910–2007 : Casts, Credits, Songs, Critical Reception and Performance Data of More Than 1,800 Shows, McFarland, , 212– (ISBN978-0-7864-5731-1, lire en ligne)