'Great Northern Semaphore', Volume 3, Number 1, January 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: Ring Out the Old Ring in the New, A Holiday Greeting, GN Always a Grain Carrier, Sheep-Farmers Improve Herd, New Cascade Tunnel, The Prides of Dan McCoy, Great Northerners Learn to Ride, A Larger Anvil Chorus, Younger Railway Men Meet, Chicago Family Meeting-Traffic Men, Business Getters Children?s Health Page, Club Activities, Division News, Editorial, Employes? Homes, Fashions, Honor Roll, House Plans, Kiddies? Picture Page, Pullman Paragraphs, Veterans? Corner, Women?s Page

'Great Northern Semaphore', Volume 4, Number 1, January 1927, 44 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by Edward F. Flynn. Articles include: Master Farmers Get Medals, Second Annual Club Tour-Boys? and Girls?, The Great Northern Goat, Advertising Apple Week, Our Directors Albert L. Ordean, History of the H.F. Alexander, Great Northern Band, Two Remarkable Passes, Yesteryear in Rotogravure, Remote Switch Control, Children?s Health Page, Club Activities, Division News, Editorial, Employes? Homes, Fashions, Kiddies? Picture Page, Meritorious Mention, Safety First, Veteran?s Corner, Women?s Page.

'Great Northern Semaphore', Volume 5, Number 1, January 1928, 44 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by Edward F. Flynn. Articles include: The Unseen Service, Horizontal Hotels, Benefits of Adequate Transportation, Building Locomotives, Last Aid to the Injured, Recollections of Mountain Surveys, Railway Morale, Moses Lake, History of the Airbrake, Children?s Health Page, Club Activities, Division News, Editorial, Kiddies? Group, Meritorious Mention, Veteran?s Corner, Women?s Page.

'Great Northern Semaphore', Volume 2, Number 7, July 1925, 36 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by W.N.S. Ivins. Articles include: Electrify Cascade Climb, Directors on Trip West, Venerable Station Master, Opening St. Paul Studio WCCO, Wenatchee's 6th Apple Blossom Festival, Real Railroad Family, The Traveler?s Friend, The Co-operative Spirit, Bus Lines Acquired, Oriental Has Birthday, Columbia Falls on the Job, Oregon Trunk Extension, Storekeepers Meet, Mr. Stevens Writes Us, Sugar Beet Industry at Williston, N. D. Children?s Health Page, Club Activities, Division News, Editorial, Fashions, Puzzles, Reminiscences, Safety First, Sports, Women?s Page, Veterans? Corner, Honor Roll, What?s in a Name, Pullman Paragraphs Kiddies? Picture Page.

'Great Northern Semaphore', Volume 3, Number 7, July 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: Hill Memorial Unveiled, The Great Northern and the Red River Valley, Henry D. Minot, Highway Project Completed, Fire Losses, A Walk Through Appleyard, Washing Iron Ore, Set up the Wm. Crooks, Business Getters, Children?s Health Page, Club Activities, Current Events, Division News, Editorial, Fashions, House Plans, Kiddies? Picture Page, Meritorious Mention, Safety First, Veteran?s Corner, What They Say, Women?s Page.

'Great Northern Semaphore', Volume 4, Number 7, July 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 Land of Shining Mountains, One of the Pioneers Goes Home, The Beginnings of Steam Railroads, Equipment Built at Great Northern Shops, Timber Treating Plant at Hillyard, What Might Have Been, Appalling Fire Loses, Great Northern Veteran Surgeon, Children?s Health Page, Club Activities, Division News, Editorial, House Plans, Kiddies? Group, Safety First, Veteran?s Corner, Women?s Page.

'Great Northern Semaphore', Volume 5, Number 7, July 1928, 32 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by Edward F. Flynn. Articles include: Winnipeg A Great City, Great Northern Veterans at Winnipeg, Monarchs of Sea Air and Rails, Superior the Nation?s Summer Capital, Electrocuting Insect Pests, Maker of Fine Furniture, A Son of Denmark, Children?s Health Page, Club Activities, Division News, Editorial, Honor Roll, Kiddies? Group, Safety First.

'Great Northern Semaphore', Volume 2, Number 6, June 1925, 36 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by W.N.S. Ivins. Articles include: Lignite Coal Mining, Reorganizing Siberian Railway, Trainloads of Buicks, Great Northern in Bus Business, Like Fathers Like Sons, Woman Is Chief Pumper, Supervisors Have Big Time, First Man Through Cascade Tunnel, Rugby Has Right Idea, A New Device, Railroad Boys in Troop 47, An Appreciation of F. E. Gerish, Car Department Men at St. Paul Exhibit. Children?s Health Page, Club Activities, Division News, Editorial, Fashions, Puzzles, Reminiscences, Safety First, Sports, Women?s Page, Veterans? Corner, Honor Roll, Pullman Paragraphs, Kiddies? Picture Page.

'Great Northern Semaphore', Volume 3, Number 6, June 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: Rising Wolf Mountain Glacier Park, Relation of Highway Transportation to the Railway (concluded), Reclaiming the Kootenai, Navigation on the Danube, Glacier Park Improvements, One Hundred Years of Railroads, Dale Street Gardens, Priest River a Potential Resort, Apple Blossom Festival 1926, Children?s Health Page, Club Activities, Current Events, Division News, Editorial, Employes? Homes, Fashions, Honor Roll, House Plans, Kiddies? Picture Page, Meritorious Mention, Safety First, Veteran?s Corner, Women?s Page.

'Great Northern Semaphore', Volume 4, Number 6, June 1927, 44 pages. A monthly publication of the Great Northern Railway Company, Saint Paul, Minnesota, it was edited by Edward F. Flynn. Articles include: Tacoma Washington, A Commercial Miracle, Featuring North Dakota Industries, Coeur d?Alene, Great Northern Surgeons to Meet, Concrete Illustrations of Big Brother Movement, Spectacular Oil Fire at Sunburst, Business Getters, Children?s Health Page, Club Activities, Division News, Editorial, Honor Roll, Kiddies? Group, Meritorious Mention, Safety First, Veteran?s Corner, What They Say, Women?s Page.