"Bug" Image Credits

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Public domain images courtesy of Wikimedia Commons, Pixabay, Google Patents, And the Brooklyn Library

http://pixabay.com/en/web-spider-trap-silken-symmetry-723774/
https://ericwedwards.wordpress.com/2013/12/08/bogles-bugbears-and-boggarts/
http://en.wikipedia.org/wiki/File:Goya_-_Que_viene_el_coco_(Here_Comes_the_Bogey-Man).jpg
http://en.wikipedia.org/wiki/File:Puck_1629.JPG
http://pixabay.com/en/animal-antelope-wildlife-nature-48073/
http://pixabay.com/en/cream-puff-pastries-cream-delicious-200432/
http://pixabay.com/en/caterpillar-toy-yellow-insect-bug-510143/
http://en.wikipedia.org/wiki/File:Bed_bug,_Cimex_lectularius.jpg
http://pixabay.com/en/bud-flowering-spring-tree-blooms-428485/
http://pixabay.com/en/bacteria-germ-pathogene-cell-funny-297171/
http://pixabay.com/en/bug-animal-nature-windows-162019/
http://pixabay.com/en/computer-error-bug-blue-159320/
http://en.wikipedia.org/wiki/File:Commodore_Grace_M._Hopper,_USN_(covered).jpg
http://en.wikipedia.org/wiki/File:H96566k.jpg
http://commons.wikimedia.org/wiki/File:Edison2.jpg
http://commons.wikimedia.org/wiki/File:Telegraph_key_and_sounder,_Western_Electric_Manufacturing_Co,_Chicago,_c._1876_-_Wisconsin_Historical_Museum_-_DSC02817.JPG
http://commons.wikimedia.org/wiki/File:SOS_morse_code.png
http://en.wikipedia.org/wiki/File:Samuel_Morse_1840.jpg
http://en.wikipedia.org/wiki/File:Morse_telegraph.jpg
http://commons.wikimedia.org/wiki/File:Pall_mall_gazette.gif
http://en.wikipedia.org/wiki/File:Emile_Berliner.jpg
http://en.wikipedia.org/wiki/File:Ericsson_carbon_microphone_opened.jpg
http://en.wikipedia.org/wiki/File:David_Edward_Hughes.jpg
http://en.wikipedia.org/wiki/File:Hughes_carbon_rod_microphone_1878.png
http://en.wikipedia.org/wiki/File:Hughes_carbon_microphone.png
http://commons.wikimedia.org/wiki/File:Edison-patent-light-bulb-l.jpg
http://commons.wikimedia.org/wiki/File:PhonographPatentEdison1880.jpg
http://en.wikipedia.org/wiki/File:Venetian_Patent_Statute_1474.png
http://commons.wikimedia.org/wiki/File:Banquet,_tombe_d%27Agios_Athanasios.jpg
http://en.wikipedia.org/wiki/File:Sacrifice_boar_Louvre_G112.jpg
http://en.wikipedia.org/wiki/File:Masaccio,_cappella_brancacci,_san_pietro_in_cattedra._ritratto_di_filippo_brunelleschi.jpg
http://en.wikipedia.org/wiki/File:Paolo_uccello,_studio_di_vaso_in_prospettiva_02.jpg
http://en.wikipedia.org/wiki/File:%C3%9Altima_Cena_-_Da_Vinci_5.jpg
http://commons.wikimedia.org/wiki/File:Lettre_de_Louis_XIV_aux_religieuses_de_Montreal.png
http://commons.wikimedia.org/wiki/File:Actor_portraying_Alexander_Graham_Bell_in_an_AT%26T_promotional_film_(1926).jpg
http://commons.wikimedia.org/wiki/File:TelephonePatentDrawingBell.jpg
http://commons.wikimedia.org/wiki/File:Gray-telephone-caveat.gif
http://commons.wikimedia.org/wiki/File:Alexander_Graham_Bell.jpg
http://commons.wikimedia.org/wiki/File:Portrait_elisha_gray.jpg
http://pixabay.com/en/microphone-mixer-cable-626032/
http://pixabay.com/en/cape-phone-smiley-spy-149848/
http://en.wikipedia.org/wiki/File:Peeler1.jpg
http://en.wikipedia.org/wiki/File:Edward_Bulwer_Lytton_Disderi_BNF_gallica.jpg
http://patentimages.storage.googleapis.com/pages/US9802-0.png
http://commons.wikimedia.org/wiki/File:Williams_CourtSt_BostonDirectory_1868.png
http://en.wikipedia.org/wiki/File:Thomas_watson.jpg
http://commons.wikimedia.org/wiki/File:Edwin_Holmes_(inventor).jpg
https://en.wikipedia.org/wiki/File:USpatent52637_1866.gif
http://en.wikipedia.org/wiki/File:Leslie_five_points_new_york_1885_3c22660v.jpg
http://www.bklynlibrary.org/sites/default/files/files/pdf/bc/citydir/1869%20A%20-%20M.pdf
http://commons.wikimedia.org/wiki/File:New_York_utility_lines_in_1890.jpg
http://pixabay.com/en/software-testing-service-762486/

http://commons.wikimedia.org/wiki/File:Fish_plate_Louvre_K588.jpg