One grisly old wolf-dog alone, with the liberty of an indulged favourite, had planted himself close by the chair of state, and occasionally ventured to solicit notice by putting his large hairy head upon his master’s knee, or pushing his nose into his hand.
1916, (w), “The Hut in the Forest” in (w),http://www.gutenberg.org/files/16981/16981-h/16981-h.htm
Bayan was a dog, a tall gray wolf-dog. He could jump over the table with a single bound.
1908, (w), “(w)” in (w),https://www.gutenberg.org/files/2429/2429-h/2429-h.htm
At the man’s heels trotted a dog, a big native husky, the proper wolf-dog, grey-coated and without any visible or temperamental difference from its brother, the wild wolf.
1908, (w), The Last of the Plainsmen, Chapter 9,http://gutenberg.net.au/ebooks/w00059.html
That night the starved wolf dogs gorged themselves till they could not rise from the snow.