Wu, H. H. (1932). Japan's acts of treaty violation and encroachment upon the sovereign rights of China in the north-eastern provinces (Manchuria): A legal study. Peiping: North-Eastern Affairs Research Institute.

Wu, Herbert Hantao. Japan's Acts of Treaty Violation and Encroachment Upon the Sovereign Rights of China in the North-eastern Provinces (Manchuria): A Legal Study. Peiping: North-Eastern Affairs Research Institute, 1932.

Wu, Herbert Hantao. Japan's Acts of Treaty Violation and Encroachment Upon the Sovereign Rights of China in the North-eastern Provinces (Manchuria): A Legal Study. Peiping: North-Eastern Affairs Research Institute, 1932.