- Thoughts on the Education of Girls, which stated traditional ways of teaching should be replaced by new topics studied by girls.
- A Vindication of the Rights of Man. This was a pamphlet written to defend her friend who was a preacher from someone who did not agree with a statement given in a sermon. Also, it included her opinion on slave trade and how she thought poor people were not being treated fairly. Because of this writing, she got the attention of many great people including Thomas Paine who she later got to meet.
- Vindication of Rights of Women was Mary's most influential writings. It said that women are being educated as if they are meant to be stupid and are to have no knowledge in what is happening or has happened in the world. She also spent much time expressing her feelings on how women are being taught to care about how they appeal to a man's eye above all else. While talking about this she boldly stated her opinion that marriage was " Legal Prostitution."