http://beauty.about.com/od/shorthairstyles/ss/bobcuts.htm

http://beauty.about.com/od/bobs/Bobs.htm

http://www.1920-30.com/publications/hairstyles/

http://www.prohaircut.com/bob-hair-cut.htm

http://www.bobcut.com/hair_photos-1.html

http://news.softpedia.com/news/The-Bob-Hairstyle-Turns-100-Still-Reigns-Supreme-101571.shtml

http://www.4hairstyles.com/medium/bob/3.htm

http://www.ayushveda.com/beautytips/hairstyles/bob-hairstyle.htm

http://www.hairarchives.com/private/1920s.htm

http://www.associatedcontent.com/article/1427492/the_bob_hairstylehair_cut.html