Baker, Ray Stannard. “The Boy's Book of Inventions.” UFDC Home - All Collection Groups, Doubleday & McClure Co., 1899, ufdc.ufl.edu/UF00088841/00001/1j.
Proctor, Mary. Stories of Starland. G.N. Morang, 1898. Baldwin Library, ufdc.ufl.edu/juv/results/?t=stories%20of%20starland.
Royal Astronomical Society of Canada. “Corresponding Member: Miss Mary Proctor.” Corresponding Member: Miss Mary Proctor | RASC, Royal Astronomical Society of Canada, www.rasc.ca/corresponding-member-miss-mary-proctor.
Swift, Mary A. First Lessons on Natural Philosophy for Children. W.M. JAS. HAMERSLEY, 1851.