Johannes Daniel Mylius. Line engraving —
Photo Credit: By https://wellcomeimages.org/indexplus/obf_images/63/3e/889006285936b25e4003c1527f67

Tthe illuminatio stage — Woodcut illustrating the illuminatio stage, captioned "Here Sol plainly dies again, And is drowned with the Mercury of the Philosophers."
Photo Credit: By Unknown author - Public Domain, https://commons.wikimedia.org/w/index.php?curid=610082

John the Alchemist —
Photo Credit: By Unknown author - https://commons.wikimedia.org/wiki/File:Pano_Ahnentafel_Nyborg_Castle.jpg, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=50211664

Albrecht Achilles —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=8147549

Frederick II, Elector of Brandenburg —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=508121

Frederick I, Elector of Brandenburg —
Photo Credit: By Unknown author - Public Domain, https://commons.wikimedia.org/w/index.php?curid=17517738

Seal of Hugh, Count of Champagne —
Photo Credit: By Anne Franco̧is Arnaud - Public Domain, https://commons.wikimedia.org/w/index.php?curid=11791839

BaldwinII ceeding the Temple of Salomon — BaldwinII ceeding the location of the Temple of Salomon to Hugues de Payns and Gaudefroy de Saint-Homer. The fourth person is Warmund, Patriarch of Jerusalem.
Photo Credit: By Guillaume de Tyr -Public Domain, https://commons.wikimedia.org/w/index.php?curid=3111645

Hugues de Payens —
Photo Credit: By Henri Lehmann - Collections Chateau Versailles, Public Domain, https://commons.wikimedia.org/w/index.php?curid=3270693

Armoiries Gilbert Hérail —
Photo Credit: By Odejea, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=3993164

Heinrich Walpot —
Photo Credit: By Unknown author - Bildarchiv Austria, Public Domain, https://commons.wikimedia.org/w/index.php?curid=64951253