Dữ liệu liên quan tới Hokkaidō-Inu tại Wikispecies
Mizukami, K. (2014). "Investigation of parallel and simultaneous selection for collie eye anomaly and ivermectin toxicosis". Veterinary Record 175 (7): 174. doi:10.1136/vr.102015. edit
Mizukami, Keijiro (2011). "Collie eye anomaly in Hokkaido dogs: case study". Veterinary Ophthalmology 15 (2): 128–132. doi:10.1111/j.1463-5224.2011.00950.x. edit
