Robinson Jeffers, Tim Hunt (1988). “The Collected Poetry of Robinson Jeffers: Poetry 1903-1920, prose, and unpublished writings”, p.425, Stanford University Press
John Keats (2015). “The Complete Poetry of John Keats: Ode on a Grecian Urn + Ode to a Nightingale + Hyperion + Endymion + The Eve of St. Agnes + Isabella + Ode to Psyche + Lamia + Sonnets and more from one of the most beloved English Romantic poets”, p.186, e-artnow