Livestock and Poultry (1930) : Statistical Yearbook of Imperial Japan 51 (1932) Table 54
家畜及家禽 (昭和5年) : 日本帝国統計年鑑 51 (昭和7年) 表54

Japan. Ministry of Agriculture and Forestry, Office of the Governor-General of Korea, Office of the Governor-General of Taiwan, Japan. Sakhalin Agency, Japan. Kwantung Agency, Japan. South Pacific Agency
doi:10.50914/0002004770 fatcat:meebsbp2b5gmrajja5h32pagbe