The collection centers around Elizabeth Drake McDonald's in-depth study and compilation of the lyrics of songwriter and musician Bob Nolan, who is best known for his work with the singing cowboy group, the Sons of the Pioneers. He penned many trademark songs of the cowboy song genre, including "Tumbling Tumbleweeds," "Cool Water," and "Way Out There." McDonald has transcribed nearly 200 of Nolan's songs into a self-published book, "Lyrics: The Song Poems of Bob Nolan." Paul Lawrence Hopper worked with McDonald on the project, writing annotations to Nolan's song lyrics. Hopper also self-published a companion volume, "Bob Nolan: A Biographical Guide and Annotations to the Lyric Archive," which contains transcription recording information and a filmography for the Sons of the Pioneers and is included in the collection. Also included is material McDonald gathered during conversations with Nolan's daughter, Roberta Nolan Mileusnich, and his grandson, Calin Coburn. Mileusnich provided McDonald with lyrics from unreleased recordings, which are compiled in "Bob Nolan, Volume Two: The Last Song Poems." Calin Coburn donated 274 high-quality scans of documents, letters, manuscripts, and photographs from the Nolan family album, along with a CD-R of the images in electronic format. Printed versions of these are included in the collection as are McDonald's annotations of these materials. Also included are copies of Nolan's song lead sheets, sheet music, and lyric sheets from Brigham Young University.