1861, Joseph Augustus Seiss, The Day of the Lord: A Lecture Delivered in St. John's (Lutheran) Church, Philadelphia, ... not some cold dream-land; where all sensation is attenuated into a spiritual meagreness totally destitute of attractions for mortals; not a mere state, made up of certain unearthlinesses, of which no one can conceive and with which no one can sympathize; but a literal and material world, firm and ponderable as now, girthed and clothed with similar heavens, adorned with sunshine and showers, birds, trees, streams, melody, and flowers
1991, Ad Reinhardt, Art as Art: The Selected Writings of Ad Reinhardt, The cult of art-as-art centers around art as a magic, art as a second, or double, or super nature, around art's immolations and unearthlinesses, around art's timelessness, uselessness, and meaninglessness.
2004, Fred Botting and Dale Townshend, Gothic: Critical Concepts in Literary and Cultural Studies, After the Martians are defeated, twentieth-century scientists dissect and classify the unearthlinesses of "the most unearthly creatures it is possible to conceive.