Nivernais de Petite Taille

References

Morris, D. (2008). Dogs: The Ultimate Dictionary of Over 1,000 Dog Breeds. North Pomfret, VT: Trafalgar Square.

Wikimedia Foundation. (2022, January 29). グリフォン・ニヴェルネ. Wikipedia. https://ja.wikipedia.org/wiki/グリフォン・ニヴェルネ (in Japanese)