Southern and N&W cabooses

Looking for brass caboose for 1950’s Southern Railroad and N&W. I have several C-3’s by Division Point. They are great. Not a lot of success with Southern Railroad except one caboose by Westside Models. Any help out there? I would like to have enough of both to run trains on timetable operations. Therefore, I need enough for trains that are already made up in the staging yards.