From the hill above the farmhouse they watched her, after breakfast, as she steamed past the southern point of the island, nosed her way slowly through chough Sound, between Inniscaw and St. Lide's, and so headed away to the northward until her smoke lay in a low trail on the horizon.
"Major Vigoureux"
A. T. Quiller-Couch
Though larger than those of the European chough, they resemble them so closely that there can be no doubt as to their authenticity.
"The Nests and Eggs of Indian Birds, Volume 1"
Allan O. Hume
No human foot could, by climbing, have reached the spot where the nest of the daw, or Cornish chough, was fixed-for the precipice, besides being perpendicular and nearly flat, projected a little near the top, where the nest lay in a crevice overhanging the surf that boiled and raged in Zawn Buzzangein.
"Deep Down, a Tale of the Cornish Mines"
R.M. Ballantyne