Some corrections:
Makaino Yasuji (someone should erase/replace him) is a bad romanization of 馬飼野康二, who is Koji Makaino
This Hiroshi Saito (斎藤寛志) is different from the artist linked, who is 斉藤ひろし
And in this album Mitsuo Hagita is credited as 萩田光雄, an alternative spelling of 萩田光男, I guess (
http://anison.info:8080/data/song/35307.html)