There is a foreign substance on the front cover page. It looks like it might be glue, but I am not positive on what it is. See pictures provided.
1952 Detroit Toledo & Ironton Railroad ETT 22 Employee Timetable
7/1/1911 DENVER, NORTHWESTERN & PACIFIC Railway ETT 31 Employee Timetable Reprod
9/8/1946 Pere Marquette Detroit-Grand Rapids Division ETT 69 Employee Timetable
9/29/1946 Pere Marquette Toledo-Ludington Division ETT 78 Employee Timetable
5/3/1936 Pere Marquette Chicago-Petoskey Division ETT 47 Employee Timetable
1958Kansas City Southern Railroad Southern Division Employee Timetable No. 44
