Line map of Meitetsu Nagoya Main Line (1969)Reference material:

Kōichi TOKUDA,"Meitetsu Shōwa nostalgia",ISBN 978-4533091667, JTB Publishing, 2013.
Nagoya Railroad,"Current state of Nagoya Railroad" ,DENKISHA KENKYUKAI, "THE RAILWAY PICTORIAL" Vol.246, 1971-01, p.5.
Own work
ButuCC