Ray,
David. "Painters and Poets: "Nighthawks" by Edward Hopper." Painters and Poets:
"Nighthawks" by Edward Hopper. N.p., n.d. Web. 24 Apr. 2014.
Hobbs,
Robert. "Nighthawks by Edward Hopper." Nighthawks by Edward Hopper. N.p., n.d.
Web. 24 Apr. 2014.
Oates,
Joyce C. "10 Artists Influenced by Edward Hopper's Nighthawks." Mental Floss.
N.p., n.d. Web. 24 Apr. 2014.
Murphy, Jessica. "Edward Hopper (1882–1967)". In Heilbrunn Timeline of Art History. New York: The Metropolitan Museum of Art, 2000–. http://www.metmuseum.org/toah/hd/hopp/hd_hopp.htm (June 2007)
Stern F. Hopper: The Loneliness of Edward Hopper. World & I [serial online]. January 2011;26(1):10. Available from: Points of View Reference Center, Ipswich, MA. Accessed February 26, 2014.
Pressley, J. M. "Nighthawks - Edward Hopper." Nighthawks - Edward Hopper. N.p., n.d. Web. 27 Feb. 2014.
David. "Painters and Poets: "Nighthawks" by Edward Hopper." Painters and Poets:
"Nighthawks" by Edward Hopper. N.p., n.d. Web. 24 Apr. 2014.
Hobbs,
Robert. "Nighthawks by Edward Hopper." Nighthawks by Edward Hopper. N.p., n.d.
Web. 24 Apr. 2014.
Oates,
Joyce C. "10 Artists Influenced by Edward Hopper's Nighthawks." Mental Floss.
N.p., n.d. Web. 24 Apr. 2014.
Murphy, Jessica. "Edward Hopper (1882–1967)". In Heilbrunn Timeline of Art History. New York: The Metropolitan Museum of Art, 2000–. http://www.metmuseum.org/toah/hd/hopp/hd_hopp.htm (June 2007)
Stern F. Hopper: The Loneliness of Edward Hopper. World & I [serial online]. January 2011;26(1):10. Available from: Points of View Reference Center, Ipswich, MA. Accessed February 26, 2014.
Pressley, J. M. "Nighthawks - Edward Hopper." Nighthawks - Edward Hopper. N.p., n.d. Web. 27 Feb. 2014.