Transboundary breed: Shamo. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed February 2025.
Masaoki Tsudzuki (2003). Japanese native chickens. In: Hsiu-Luan Chang, Yu-chia Huang (editors) (2003). The Relationship between Indigenous Animals and Humans in APEC Region. Taipei: Chinese Society of Animal Science, pages 91-116.