Samuel Liddell —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=5138494

William Wynn Westcott — Cropped scan from "Geheimnisse des Unbekannten: Überlieferte Weisheiten und geheime Gesellschaften", Time-Life Books B.V. 1989, second German printing 1991, page 148, ISBN 90-6182-157-6.Original photo taken before 1897
Photo Credit: By Unknown author - Public Domain, https://commons.wikimedia.org/w/index.php?curid=47607694

Golden Dawn Rose Cross Lamen —
Photo Credit: By Fuzzypeg - Public Domain, https://commons.wikimedia.org/w/index.php?curid=4100581

Waite photograph — London, 13 January 1921
Photo Credit: By Coburn Collection - New York Public Library Archive, Public Domain, https://commons.wikimedia.org/w/index.php?curid=16240692

The Hermetic Museum cover —
Photo Credit: https://www.globalgreyebooks.com/hermetic-museum-ebook.html

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