"Beef" Image Credits
Images licensed under CC BY-SA 3.0:
Author Whitebox
Author Hellahulla
Images licensed under CC BY 4.0
Source: Wellcome Images
Source Wellcome Images
Public domain images courtesy of Wikimedia Commons, Pixabay, and OpenClipArt:
http://en.wikipedia.org/wiki/File:Bovril_poster_c1900.jpg
http://en.wikipedia.org/wiki/File:Bayeuxtapestrydeathofharold.jpg
http://en.wikipedia.org/wiki/File:Bayeuxtapestryodowilliamrobert.jpg
http://en.wikipedia.org/wiki/File:BayeuxTapestryScene39.jpg
http://commons.wikimedia.org/wiki/File:Pannage.jpg
http://commons.wikimedia.org/wiki/File:Calendario_(l%27aratura),_1000_circa,_miniatura,_cotton_ms._Tiberius_B._V.,_f._3r.,_Londra,_British_Library.jpg
http://commons.wikimedia.org/wiki/File:Bayeux-feast01.jpg
http://commons.wikimedia.org/wiki/File:Banquet_de_Charles_V_le_Sage.jpg
http://pixabay.com/en/cow-beef-concerns-alpine-milk-cow-335968/
http://pixabay.com/en/beef-roast-beef-lump-chunk-meat-84534/
http://commons.wikimedia.org/wiki/File:John_Lawson_Johnston_Vanity_Fair_18_February_1897.jpg
http://commons.wikimedia.org/wiki/File:Collage_Franco-Prussian_War.jpg
https://openclipart.org/detail/182730/gas-mask-by-tiothy-182730
http://en.wikipedia.org/wiki/File:Panorama_dentro.JPG
http://commons.wikimedia.org/wiki/File:Bulwer-Lytton_Vril_Einband_1922_Schaerfe.jpg
http://commons.wikimedia.org/wiki/File:John-Martin-Pandemonium-color-sharpend.jpg
http://en.wikipedia.org/wiki/File:Edward_Bulwer_Lytton_Disderi_BNF_gallica.jpg
http://pixabay.com/en/dollar-characters-city-silhouette-213619/
http://pixabay.com/en/thunderstorm-lightning-clouds-night-30183/
https://openclipart.org/detail/151237/mighty-pen-by-mazeo
http://commons.wikimedia.org/wiki/File:Wernher_von_Braun_Willy_Ley_(1954).jpg
http://commons.wikimedia.org/wiki/File:Bundesarchiv_Bild_102-04051A,_Reichsparteitag,_Rede_Adolf_Hitlers.jpg