Yuji Nagahiro
- (1999): A Comparative Study of the Industrial Railways in the Northern Part of Kyushu. In: Historical Studies in Civil Engineering, v. 19 ( 1999).
- (1998): A Historical Study on the Development of the Wakamatu Port and Dokai Bay in the Period of Foundation. In: Historical Studies in Civil Engineering, v. 18 ( 1998).
- (1997): A Historical Study of the Tikuho Industrial Railways in the Northern Part of Kyushu. In: Historical Studies in Civil Engineering, v. 17 ( 1997).
- (1993): A Study of Water Transport on the River Onga. In: Historical Studies in Civil Engineering, v. 13 ( 1993).
- (1992): A Historical Study of Civil Engineering for Development in Tikuho Coal Field. In: Historical Studies in Civil Engineering, v. 12 ( 1992).
- (1991): On the Onga-Horikawa, about the Functional Parts and Restoration. In: Historical Studies in Civil Engineering, v. 11 ( 1991).
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