1907 — It must have taken us all of a month, working intermittently, to make our tree-house; and then, when it was completed, we never used it again. — Jack London, Before Adam, Chapter 10
1910 — He had come upon a collection of the curious tree-houses, sixty or seventy feet from the ground, which some of the islanders inhabit. ... Though he flew to and fro for some time in the vicinity of the tree-houses, he discovered no other break in the forest; and the impossibility of knowing what was going on beneath that vast screen of foliage began to affect him with hopelessness of success. — Herbert Strang, Round the World in Seven Days, Chapter 13
1918 — When the wind blows and the rain comes down, it's jolly sitting up aloft in the snug tree-house, especially when old Bill is in good form and gives us "The Salt Junk Sarah", with all hands joining in the chorus. — Norman Lindsay, The Magic Pudding
1922 — But the thing that fascinated me most of all was a tiny little tree-house, high up in the top branches of a great elm, with a long rope ladder leading to it. — Hugh Lofting, Voyages of Doctor Dolittle, Chapter 9
1923 — Ja conducted us along the maze-like trail to his strange village, where he gave over one of the tree-houses for our exclusive use. — Edgar Rice Burroughs, Pellucidar, Chapter 4
