Discourse on Method —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=1472528

cover Musicae Compendium —
Photo Credit: https://books.google.co.th/books?id=_KzBJf8q37wC&printsec=frontcover&source=gbs_ge_summary_r&redir_esc=y#v=onepage&q&f=false

cropped Flag of Sweden —
Photo Credit: Public Domain, https://en.wikipedia.org/w/index.php?curid=33285365

The house where Descartes was born — In La Haye en Touraine, now called "Descartes, Indre-et-Loire"
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=4691201

Graduation registry for Descartes — University of Poitiers, 1616
Photo Credit: By Le Prytanee Militaire, Public Domain, https://commons.wikimedia.org/w/index.php?curid=2287007

Headquarters of the university of Poitiers —
Photo Credit: By Danielclauzier - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=19117526

logo for University of Poitiers —
Photo Credit: By Source, Fair use, https://en.wikipedia.org/w/index.php?curid=32632672

René Descartes —
Photo Credit: Frans Hals - Public Domain, https://commons.wikimedia.org/w/index.php?curid=2774313

Holy House of Loreto —
Photo Credit: Tatiana Dyuvbanova / Shutterstock

Pope Sixtus V — Basilica of Saint Paul Outside the Walls, Rome
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=42733867

Our Lady of Loreto — The title of the Virgin Mary with respect to the Holy House and for her statue displayed inside the Holy House. It has been stolen, returned, burned and replaced.
Photo Credit: By Flyer20061 - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=18166135