It looks like all three sections were separated and repaired with clear archival tape which is nearly invisible. The tape was all put on the side with the text.
1877 THE GREAT PROVIDENCE LINE Brochure Pamphlet New York Boston Steam Ship
Visit Philadelphia Pennsylvania Railroad 1950 Brochure Pamphlet Map
1946 Booklet "The Frank Leslie Excursion From New York To The Paciffic 1877"
Railroad Accident Report 3826 New York , New Heaven & Hartford Railroad Company
1935 Mount Washington Cog Railway Train Brochure Pamphlet New Hampshire NH P5b
Magazine Ad - 1939 - New York Central Railroad - World's Fair, New York