29. © The Art Archive/Gianni Dagli Orti (ref: AA423796).

30. Library of Congress, Bildarchiv Preussischer Kulturbesitz, United States Holocaust Memorial Museum © courtesy of Roland Klemig.

31. Photo: Boaz Neumann. From Kladderadatsch 49 (1933), 7.

32. © Visual/Corbis.

33. User Ian Dunster on en.wikipedia – Imperial War Museum – picture scanned by me Ian Dunster 13:57, 17 September 2005 (UTC) from: Weapons amp; War Machines compiled by Andrew Kershaw and Ian Close – Phoebus – 1976 – ISBN 0-7026-0008-3 and credited to: Imperial War Museum., Суспільне надбання (Public Domain), https://commons.wikimedia.org/w/index.php?curid=1069251.

34. Уест – http://www.ushistory.org/franklin/info/kite.htm, Суспільне надбання, https://commons.wikimedia.org/w/index.php?curid=15456866.

35. Суспільне надбання (Public Domain), https://commons.wikimedia.org/w/index.php?curid=395664.

36. © British Library Board (shelfmark add. 11267).

37. © Firenze, Biblioteca Medicea Laurenziana, Ms. Laur. Med. Palat. 249 (mappa Salviati).

39. Автор: І. К. Айвазовський – http://www.belygorod.ru/img2/RusskieKartinki/Used/374az_MorskSrazhenPriNavar.jpg, Суспільне надбання, https://commons.wikimedia.org/w/index.php?curid=2648057.

40. Photo and © Anonymous for Animal Rights (Israel).

41. © Photo Researchers/Visualphotos.com.

42. Автор: – G.F. Nesbitt amp; Co., printer – http://content.cdlib.org/ark:/13030/tf1r29p10v/?layout=metadata, Суспільне надбання (Public Domain), https://commons.wikimedia.org/w/index.php?curid=1317934)

43. (Суспільне надбання (Public Domain), https://commons.wikimedia.org/w/index.php?curid=199805)

44. Mona – Feb8-3:34pm, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=13249742.

45. Photo and © Charles Vacanti.

46. © ImageBank/GettyImages Israel.