Bořivoj I —
Photo Credit: By Anonymous - Wenceslai Hagek a Liboczan: Annales Bohemorum e Bohemica editione ...: 1765, Public Domain, https://commons.wikimedia.org/w/index.php?curid=17244399

Saint Ludmila on a stained glass window — St. Ludmila's Church, Cedar Rapids, Iowa
Photo Credit: By JesseG - English Wikipedia, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1019712

View of Prague Castle —
Photo Credit: By Andrew Shiva / Wikipedia, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=28714927

Charles de Basse-Lotharingie —
Photo Credit: By Rijksmuseum - http://hdl.handle.net/10934/RM0001.collect.157823, CC0, https://commons.wikimedia.org/w/index.php?curid=84885586

Imaginary portrait of Emma of Italy —
Photo Credit: By François Séraphin Delpech - original file : royalcollection.org.ukModifications : cropped, color, Public Domain, https://commons.wikimedia.org/w/index.php?curid=60567591

Mort de Lother — Illustration for "Les Mystères du peuple d'Eugène Sue
Photo Credit: By Horace Castelli - http://gallica.bnf.fr/ark:/12148/btv1b2200074n/f38.item, Public Domain, https://commons.wikimedia.org/w/index.php?curid=68477522

Louis V of France — This painting belongs to the Portraits of Kings of France, a series of portraits commissioned between 1837 and 1838 by Louis Philippe I and painted by various artists for the Musée historique de Versailles.
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=3323315

Lothair of France — This painting belongs to the Portraits of Kings of France, a series of portraits commissioned between 1837 and 1838 by Louis Philippe I and painted by various artists for the Musée historique de Versailles.
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=3959482

Harold Harefoot —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=623423

Harthacnut —
Photo Credit: By Unknown author - Public Domain, https://commons.wikimedia.org/w/index.php?curid=27947447

Great Seal of Edward the Confessor — 1911 Encyclopædia Britannica, Vol. 24, pg. 540,
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=88432651