Abstract
This paper is a study of the following two points about Tokyo Central Post Office building by architect Tetsuro Yoshida. (1) Among the historians and reviewers there are two views as to who first designed Tokyo Central Post Office building, but architect Tetsuro Yoshida was the original designer. (2) We have several reports about the date of completion of the same buidling, but the formal one was dated December 25, 1931 (6th year of Showa).