'Great Northern Semaphore', Volume 3, Number 11, November 1926, 49 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by W.N.S. Ivins. Articles include: Shelby Montana New Light Signals, Block Signals Completed, Our Directors Edward Eugene Loomis, Heroes of the Fernie Fire, Great Northern?s Dependable Service, Two Ways of Running a Railway, False Witness Confounded, Our Pittsburgh Office, A Chicken Pie Expert, Business Getters, Children?s Health Page, Club Activities, Division News, Editorial, Employes? Homes, Fashions, Honor Roll, House Plans, Kiddies? Picture Page, Meritorious Mention, Safety First, Veteran?s Corner, What They Say of Our Railroad, Women?s Page.

'Great Northern Semaphore', Volume 4, Number 11, November 1927, 44 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by Edward F. Flynn. Articles include: Great Northern at Fair of the Iron Horse, The Mount Baker Country, The Successful Section Foreman, A Treasure Trove of Yesterday, Old Fort Colville, Soldiers? Memorial at Williston, First Train to Devils Lake, My Trip to America, A Tribute to Father Malo, Children?s Health Page, Club Activities, Division News, Editorial, Honor Roll, Kiddies? Group, Our Business Getters, Safety First, Veteran?s Corner, Women?s Page.

'Great Northern Semaphore', Volume 5, Number 11, November 1928, 32 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by Edward F. Flynn. Articles include: Guardians of the Valley, There is Gas in Montana, New Chumstick Route, A Pictographic Gallery, Half a Century of Service, New Great Northern Map, Ticket Agents Hold Convention, Children?s Health Page, Club Activities, Division News, Editorial, Honor Roll, Meritorious Mention, Safety First, Veteran?s Corner.

'Great Northern Semaphore', Volume 2, Number 10, October 1925, 44 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by W.N.S. Ivins. Articles include: Portrait of James J. Hill, Apple Shipments and How Handled, Introducing Klamath Falls, Our Philadelphia Office, English. Railway Celebration, Tourist Manufacturers Meet, Dale Street Greenhouse Dedication, Box Car Comparison, Praise by "Sousa of France?, A Model Camp, Great Northern Icing Company. Children?s Health Page, Club Activities, Division News, Editorial, Employes? Homes, Fashions, House Plans, Pullman Paragraphs, Puzzles, Reminiscences, Safety, Women?s Page, Veterans? Corner, What They Say of Our Railroad, Kiddies? Picture Page.

'Great Northern Semaphore', Volume 3, Number 10, October 1926, 44 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by W.N.S. Ivins. Articles include: Minot A Great Northern City, Forty Years Ago, Commercial Story of New England, Rushing Work on Chelan Project, Our Directors Arthur Curtiss James, Shopmen Grow Flowers in Cindery Desert, Patrick Kelly Passes On, Thron Anderson Honored, Young Paul Revere, Children?s Health Page, Club Activities, Current Events, Division News, Editorial, Fashions, Honor Roll, House Plans, Kiddies? Picture Page, Safety First, Veteran?s Corner, Women?s Page.

'Great Northern Semaphore', Volume 4, Number 10, October 1927, 44 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by Edward F. Flynn. Articles include: The Development of the Beet Sugar Industry, From Flower Girl to Artist, One of the Most Striking Achievements of Civilization, My Impressions of European Transportation, North Dakota in Retrospect, Kootenai Valley Idaho, A Century of Apples, Importance of Proper Containers, Children?s Health Page, Club Activities, Division News, Editorial, Honor Roll, Kiddies? Group, Meritorious Mention, Veteran?s Corner, Women?s Page.

'Great Northern Semaphore', Volume 5, Number 10, October 1928, 32 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by Edward F. Flynn. Articles include: The United States Constitution, Jump Off Joe Falls, Former Indian Fighter Touring Great Northern, Charming Picture Wins Prizes, Lake Ewauna Draw Bridge, Monument to Famous Cow, Great Northern Heater Cars, Great Northerner Builds Model Airplane, Children?s Health Page, Club Activities, Division News, Editorial, Honor Roll, Meritorious Mention, Safety First, Veteran?s Corner.

'Great Northern Semaphore', Volume 2, Number 9, September 1925, 44 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by W.N.S. Ivins. Articles include: Engine No. 2030, Attractive New Reception Room, The John F. Stevens Statue, Reorganizing Siberian Railway, The Chicago Freight Office, Say It With Service, Burning Weeds With the Woolery, Fire Prevention and Protection, Hicken's Hirsute Herring, The Best Ever - General Office Picnic. Children?s Health Page, Club Activities, Division News, Editorial, Fashions, Puzzles, Reminiscences, Safety First, Women?s Page, Veterans? Corner, Honor Roll, House Plans, Pullman Paragraphs, Kiddies? Picture Page.

'Great Northern Semaphore', Volume 3, Number 9, September 1926, 48 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by W.N.S. Ivins. Articles include: Spokane Capital of the Inland Empire, Columbia River Historical Expedition, Opheim Extension Completed, Minnesota?s Blind Incubator Baby, Indian Congress at Spokane, Brotherhood State Bank of Hillyard, Tulip Queen Travels, Business Getters, Children?s Health Page, Club Activities, Current Events, Division News, Editorial, Employes? Homes, Fashions, House Plans, Kiddies? Picture Page, Meritorious Mention, Safety First, Veteran?s Corner, Women?s Page.

'Great Northern Semaphore', Volume 4, Number 9, September 1927, 44 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by Edward F. Flynn. Articles include: Bend in Central Oregon, Thirty Days Abroad, Jackson Street Flower Growers, Interesting Days at Fisher?s Landing, Tacoma Poultry and Egg Center, ?Ontophalen? Great Success, Children?s Health Page, Club Activities, Division News, Editorial, Kiddies? Group, Meritorious Mention, Veteran?s Corner, Women?s Page.