linemap of Aichi Electric Railroad Toyohashi Line.Reference material:

Nagoya Railroad Co., Ltd. Company History Compilation Committee(editor),"Nagoya Railroad Company History",Nagoya Railroad Co., Ltd.,1961.
Nagoya Railroad Co., Ltd. Department of public relations(editor),"Nagoya Railroad 100 years History",Nagoya Railroad Co., Ltd.,1994.
Hiroshi IDOTA,"Railroad history of the Tōkai region II (Tōkai-chihou no Tetsudou fusetsu shi 2)",2006
Hiroshi IDOTA,"Railroad history of the Tōkai region III (Tōkai-chihou no Tetsudou fusetsu shi 3)",2008
Keisuke IMAO (supervisor),"Japan Rail trip Atlas (ja:Nippon Tetsudō Ryōkō Chizuchō) Vol.7 Tōkai―All lines,stations and discontinued lines.  (ja:Zensen, Zen-eki, Zen-haisen)",ISBN 978-4107900258, Shinchosha, 2008.
（revision and supplement）railforum.jp
Various other official documents, etc.
Own work
ButuCC