John Keats (2015). “John Keats: Lamia (Unabridged Edition): A Narrative Poem from one of the most beloved English Romantic poets, best known for Ode to a Nightingale, Ode on a Grecian Urn, Ode to Indolence, Ode to Psyche, The Eve of St. Agnes, Hyperion…”, p.365, e-artnow
Fitz Hugh Ludlow (1871). “The Heart of the Continent: A Record of Travel Across the Plains and in Oregon, with an Examination of the Mormon Principle”, p.355