Bronte, C. . , Anne, & Emily, . . (1847). Poems by Currer, Ellis, and Acton Bell. Retrieved from http://digital.library.upenn.edu/women/bronte/poems/poems.html
Bronte, C. . , Anne, & Emily, . . (9999). Poems by Currer, Ellis, and Acton Bell. Retrieved from http://www.gutenberg.org/ebooks/1019