Kosugi ryūtsū gyōmu danchinai isekigun
Subtitle: dai 8-ji kinkyū hakkutsu chōsa gaiyō
By: Toyama-ken Maizō Bunkazai Sentā hen
Publisher: Toyama-ken kyōiku iinkai
Published: 1986
Place of publication: Toyama
Language: jpn
Table of contents: title: [1] No. 18, B chiku, No. 19; title: [2] Kosugi Maruyama.