File:Loeschdecke.jpg - Wikimedia Commons

Carl Schuch - Schleuse bei Kähnsdorf. 1880 - PICRYL - Public Domain Media Search Engine Public Domain Search

Encyclopaedic Resistance: Blake, Rees's Cyclopædia, and the Laocoön Separate Plate, Rosamund A. Paice, Blake/An Illustrated Quarterly

File:Bundesarchiv Bild 101I-134-0766-05, Polen, Ghetto Warschau, Ghettopolizei, Bewohner.jpg - Wikimedia Commons

File:20150913 Barackenlager Lette, Coesfeld (DSC03474).jpg - Wikimedia Commons

Loess soil hi-res stock photography and images - Alamy

File:Bundesarchiv Bild 101I-134-0766-19, Polen, Ghetto Warschau, Juden auf LKW.jpg - Wikimedia Commons

File:61. Bedřich Dlouhý, Divná věc - Zeď s rudým kárátkem (1991) COLLET Prague-Munich.jpg - Wikimedia Commons

File:Leech.jpg - Wikimedia Commons

Walleye Open Edition Print by Flick Ford, Natural History Art, Fish Art, Freshwater Gamefish Picture

Chedorlaomer hi-res stock photography and images - Alamy

Figures in Lohberger (1910)

File:Loeschdecke 1.jpg - Wikimedia Commons

Israel Antiquities Authority