Chikuhou sekitan kougyou youran

Chikuhou sekitan kougyou youran

Chikuhou sekitan kougyou youran

Chikuhou sekitan kougyou youran

Chikuhou sekitan kougyou youran

Chikuhou sekitan kougyou youran

Chikuhou sekitan kougyou youran

Saishin chikuhou sekitan kougyou youran

Chikuhou kougyou touryouden

Sekitan youran

Hokkaidou sekitan kougyou to sekitan kougyoukai

Sekitan kougyou ronshuu : fu honpou sekitan toukei

Chikuhou tankoushi : fu miike tankoushi

Wakamatsukou sekitan shuusan youran

Kougyou tetsuzuki youran

Kougyou toukei youran

Sekitan kanryuu kougyou

Sekitan kanryuu kougyou

筑豊石炭鑛業要覧

Chikuhou tanzan roudou jijou

Chousen sekitan kougyou jijou kenkyuu

Oosaka kouzan kantokukyoku kannai kougyou youran

Oosaka kouzan kantokukyoku kannai kougyou youran

Oosaka kouzan kantokukyoku kannai kougyou youran

Oosaka kouzan kantokukyoku kannai kougyou youran