Francis Bacon: Encyclopedia Britannica
https://www.britannica.com/biography/Francis-Bacon-Viscount-Saint-Alban
The Encyclopedia Britannica page on Francis Bacon, including a biography and brief summary of his major contributions to science and philosophy
Online Library of Liberty: Philosophy
https://oll.libertyfund.org/collection/philosophy
A collection of works similar to or in conversation with Bacon's The Advancement of Learning
Michel de Montaigne: Essays
https://www.gutenberg.org/files/3600/3600-h/3600-h.htm
Full text of the essays of Michel de Montaigne, who popularized the essay as a literary genre and inspired Bacon's own series of philosophical essays.