1. "Concept 19 The DNA Molecule Is Shaped like a Twisted Ladder." Rosalind Franklin: DNA from the Beginning. Accessed April 24, 2019. http://www.dnaftb.org/19/bio-3.html
2. "Rosalind Elsie Franklin: Pioneer Molecular Biologist." Rosalind Elsie Franklin: Pioneer Molecular Biologist. Accessed April 24, 2019. https://www.sdsc.edu/ScienceWomen/franklin.html
3. "Science Museum. Brought to Life: Exploring the History of Medicine." Rosalind Franklin (1920-58). Accessed April 24, 2019. http://broughttolife.sciencemuseum.org.uk/broughttolife/people/rosalindfranklin