Bibliography

Timeline information 

http://www.visual-arts-cork.com/illustration.htm

http://en.wikipedia.org/wiki/Illustration

http://blogof.francescomugnai.com/2009/11/a-brief-history-of-illustration-part-i/

http://www.visual-arts-cork.com/cultural-history-of-ireland/book-of-durrow.htm 

Illuminated manuscripts

https://www.boundless.com/art-history/textbooks/boundless-art-history-textbook/gothic-art-20/english-gothic-art-134/illuminated-manuscripts-553-5740/

German Renaissance

http://www.fastcodesign.com/3021868/found-rare-renaissance-illustrations-that-depict-the-end-of-the-world#8

http://www.brainpickings.org/2014/09/05/the-book-of-miracles-taschen/

Engraving

http://www.iln.org.uk/iln_years/earlyhistiln.htm

http://gale.cengage.co.uk/images/PatrickLeary.pdf

http://en.wikipedia.org/wiki/Wood_engraving

20th century

http://www.rafoxsociety.com/what-was-the-golden-age-of-illustration/

http://en.wikipedia.org/wiki/Illustration#Early_to_mid_19th_Century