[1] He published many books, including Vientos de las Sierras (1924), Buckaroo Ballads (1928) and Rawhide Rhymes: Singing Poems of the Old West (Doubleday, 1968).

[2] Barker worked as a Spanish teacher, high school principal, forest ranger, sergeant of the 502nd Engineers in France in World War I, trombone player in Doc Patterson's Cowboy Band, and newspaper correspondent.

He began writing and selling stories, articles, and poems as early as 1914 and became a full-time writer at the end of his legislative term.

[5] The work probably best known to the general public was his poem, "A Cowboy's Christmas Prayer," which has been printed more than one hundred times, recorded by Tennessee Ernie Ford and Jimmy Dean, and plagiarized more than once.

Sometime in the 1930s, he was asked by the editor to rewrite a story submitted by an old Texas cowhand named Jack Potter about his life of driving cattle.

The stationery also lists officers of the organization, including Jack M. Potter, President, and S. Omar Barker, Historian and Poet.