Doubt: A History: The Great Doubters and Their Legacy of Innovation from Socrates and Jesus to Thomas Jefferson and Emily Dickinson. Harper San Francisco
Z by Dictionary.com (بە ئینگلیزی). ٢٠١٣-٠٦-٢٥. Retrieved 2018-04-03. "Socrates". Biography (بە ئینگلیزی). Archived from the original on 28ی Marchی 2019
Radek Nominated — Academy Award for Best Actor Dr. Socrates Dr. Lee Cardwell, nicknamed "Dr. Socrates" 1936 The Story of Louis Pasteur Louis Pasteur Academy