<a href="https://en.wikipedia.org/wiki/Baltimore_Steam_Packet_Company" class="extiw" title="en:Baltimore Steam Packet Company">Baltimore Steam Packet Company ("Old Bay Line")</a> 1953 timetable cover
Published by Baltimore Steam Packet Company. From collection of <a href="https://en.wikipedia.org/wiki/User:JGHowes" class="extiw" title="en:User:JGHowes">JGHowes</a>
<a href="https://en.wikipedia.org/wiki/Baltimore_Steam_Packet_Company" class="extiw" title="en:Baltimore Steam Packet Company">Baltimore Steam Packet Company</a> (Old Bay Line) timetable published by Old Bay Line without copyright notice.