1. The Sophists
https://plato.stanford.edu/archives/win2016/entries/sophists/
2. Plutarch
https://plato.stanford.edu/archives/sum2020/entries/plutarch/
3. Literary Forms of Medieval Philosophy
https://plato.stanford.edu/archives/sum2019/entries/medieval-literary/
4. Surreal Numbers: How Two Ex-Students Turned on to Pure Mathematics and Found Total Happiness;Knuth,1974
5. Four dialogues and metalogues about the nature of science