Keiji Ohara
- A Study on the procedure at the time when urban development projects in Kobe during Meiji era began and were finished. Dans: Historical Studies in Civil Engineering, v. 21 ( 2001). (2001):
- A Study on the written contract related to urban development projects in Kobe during Meiji era by landowners. Dans: Historical Studies in Civil Engineering, v. 20 ( 2000). (2000):
- A Study on comparisons between measures of urban development projects in Kobe during Meiji era and current legal systems for The projects. Dans: Historical Studies in Civil Engineering, v. 19 ( 1999). (1999):
- The Stud Y of how to form the method of the urban construction at Kobe city in Meiji era. Dans: Historical Studies in Civil Engineering, v. 18 ( 1998). (1998):
- The Study on the method of the projects he coost ac ed the basis of Kobe city in Meiji era. Dans: Historical Studies in Civil Engineering, v. 17 ( 1997). (1997):