Kouki tetsudou kaichiku junbi iinkai chousa shimatsu ippan

Kouki tetsudou kaichiku junbi iinkai gijiroku

Kouki tetsudou kaichiku junbi iinkai tokubetsu iinkai gijiroku

Kouki tetsudou kaichiku junbi iinkai tokubetsu iin daini bunkakai gijiroku

Kouki tetsudou kaichiku junbi iinkai tokubetsu iin daiichi bunkakai gijiroku

Kouki tetsudou kaichiku junbi iinkai tokubetsu iin daisan bunkakai gijiroku

Tetsudou kokuyuu shimatsu ippan

Giin kenchiku junbi iinkai giji youroku

Tettou hyoujun chousa iinkai houkoku

準広軌鉄道 (一〜三) : [広軌改築案 (其五)]

Denki tetsudou hendensho kihon seitei chousa iinkai houkokusho

Denki tetsudou unyubu kihon seitei chousa iinkai houkokusho

広軌の予備調査 : [広軌改築案 (其六)]

Denki tetsudou hendensho iinkai hatsuhendensho tokushu chousa jikou houkoku

広狭軌道改築費の比較 : 軌制調査基準

Denki tetsudou unyu kihon youkou : denki tetsudou unyu kihon seitei chousa iinkai dai 3kai houkoku