The Manchuria Year Book 1931
Edited and published by Toa-Keizai Chosakyoku (East-Asiatic Economic Investigation Bureau), Tokyo, 1931.

This volume is an original 1931 English-language yearbook providing a comprehensive survey of Manchuria in the early Sh?wa period. Compiled by the Toa-Keizai Chosakyoku, the book covers a wide range of topics including geography, history, administration, judicial system, military affairs, finance, agriculture, industry, transportation, communications, trade, and natural resources.

The work is organized systematically by chapters and supported by statistical data, tables, and explanatory text, offering a valuable contemporary overview of Manchuria immediately prior to the establishment of Manchukuo. A fold-out map of Manchuria is included, illustrating major regions, transportation routes, and geographical features.

Issued in original red cloth boards with gilt lettering, this publication was intended as a reference work for officials, researchers, and foreign observers. Today, it remains an important primary historical source for the study of East Asian history, Japanese economic policy, and Manchurian regional studies in the early 20th century.