Note: groups.io will be down for maintenance on Wednesday, October 5th, starting at 9AM Pacific Time (4PM Wednesday October 5, 2022 UTC), for approximately one hour.
Brian, Railroad Magazine would fit the bill, as others have mentioned. Some B&M themed books that would be worthy include
1) Miriam Foster's Boston and Maine Railroad by Bradford G. Blodget, published by the Historical Society of Cheshire County
2) Mid-Century Memories: The Boston & Maine Railroad: 1936-1950 by Robert L. McDonald, published by the B&M Railroad Historical Society
3) Vanishing Markers: Memories of Boston & Maine Railroading, 1946-1952, by Ralph E. Fisher, The Stephen Greene Press
4) Life by the Tracks: When Passenger Trains steamed through the Notch (Maine Central) by Virginia C. Downs, Phoenix Publishing