Willard, Susannah Hickling (Lewis). Androscoggin Range and Mountains (Mt. Zircon).. 1861. Web. 16 Apr 2021. <https://www.digitalcommonwealth.org/search/commonwealth-oai:pn89fd896>.

Willard, S. (1861). Androscoggin Range and Mountains (Mt. Zircon). [Painting]. Retrieved from https://www.digitalcommonwealth.org/search/commonwealth-oai:pn89fd896

Willard, Susannah Hickling (Lewis). "Androscoggin Range and Mountains (Mt. Zircon)." Painting. 1861. Digital Commonwealth, https://www.digitalcommonwealth.org/search/commonwealth-oai:pn89fd896 (accessed April 16, 2021).