Author:Bertha Muzzy Sinclair-Cowan

Flying U series

 * Chip, of the Flying U, 1906 no index
 * The Happy Family, (1910) (c. 1907) aka The Happy Family of the Flying U no index
 * Ananias Green — Blink — Miss Martin's Mission — Happy Jack, Wild Man	— A Tamer of Wild Ones — Andy, the Liar — "Wolf! Wolf!" — Fool's Gold — Lords of the Pots and Pans
 * Flying U Ranch, 1914
 * The Flying U's Last Stand, 1915
 * The Phantom Herd, 1916
 * The Heritage of the Sioux, 1916. Illustrated by Monte Crews.
 * Short stories from magazines
 * "The Flaw in the Armor" ss, Popular Magazine Sep 1907
 * "The Man Who Would Play the North Wind, (ss) Popular Magazine, Dec. 18, 1912
 * "The Ghost of One Man Coulee", (ss) Popular Magazine, Jan. 1913 [sequel]

Other works

 * The Range Dwellers, 1906
 * The Lure of the Dim Trails, 1907
 * Her Prairie Knight, and Rowdy of the "Cross L" (1907). Illustrated by W. Herbert Dunton.
 * Her Prairie Knight, 1904
 * Rowdy of the "Cross L", 1906
 * The Long Shadow, 1909
 * The Lonesome Trail, and Other Stories, 1909
 * Good Indian, 1912
 * Lonesome Land, 1912
 * The Gringos: a story of the old California Days in 1849, 1913
 * The Uphill Climb, 1913
 * The Ranch at the Wolverine, 1914
 * Jean of The Lazy 'A', 1915
 * The Lookout Man, 1917
 * Starr, of the Desert, 1917
 * Cabin Fever, 1918
 * Skyrider, 1918
 * Rim O' the World, 1919
 * The Thunder Bird, 1919
 * The Quirt, 1920
 * Casey Ryan, 1921 [Casey Ryan]
 * Cow Country, 1921
 * Sawtooth Ranch, 1921?
 * The Trail of the White Mule, 1922 [Casey Ryan]
 * The Parowan Bonanza, 1923
 * The Voice at Johnny Water, 1923
 * Desert Brew, 1925
 * Van Patten, 1926

Works from periodicals

 * "The Ghost in the Red Shirt" (ss, Lippincott's Monthly Magazine, 1904 July)
 * The Long Kid's Change of Heart (ss, The Red Book Magazine, Sept 1904)
 * 'Happy Heart' Cowboy (ss, Smith's, May 1905)
 * The Trespasser (ss, Ainslee's, Jan 1906)
 * The Girl from Kilpatrick's (ss, Ainslee's, May 1906)
 * The Deputy (ss, The Busy Man's Magazine, 1907) [as B. M. Sinclair]
 * The Red Ink Maid (ss, Ainslee's, Jan 1907) [as B. M. Sinclair]
 * Object, Matrimony (ss, Popular, Jan 1907)
 * "'The Rosary' and Little John" (ss, The Popular Magazine, 1913 Dec)
 * "You Ask Anybody" (1920 Dec 07) ss, Popular Magazine [Casey Ryan]
 * "Godsend to a Lady" (1920 Dec 20) ss, Popular Magazine [Casey Ryan]


 * Longer works
 * The Arrow-Point Estate (novella, Smith's, Feb 1908) [as B. M. Sinclair]
 * Jack Bellamy, Lawbreaker (series, Popular, May—Dec 1908)
 * VII. The Scales of Justice (Dec 1908)
 * Flying U Ranch (novella, The Popular Magazine, 15 Nov 1912. In book form, 1914)


 * "The Adam Chaser" (1925 Sept 01) novella, Popular Magazine
 * Where Stillwater Runs Deep (novelette,, Popular, 7 June 1926) [Patrick O’Neill]
 * "The Spook Hills Mystery," (1914), novella, Popular Magazine, Nov. 7, 1914
 * "Bootlegger's Luck" (novella, The Popular Magazine, 1922 Sept) [Casey Ryan]
 * "Cabin Fever" (ss, The Popular Magazine, 1917 Aug 20) novel


 * With Buck Connor
 * Five Hundred Head for a Ranger (1916) (with Buck Connor) 2 part novel, from the Popular Magazine Jan 7 and 20, 1916.
 * "Get Your Man,", novelette, from The Popular Magazine, Nov. 7, 1916
 * The Red Ride (novelette, McClure's Magazine, May 1917)