‘Americans’: The Book That Changed Photography

http://www.npr.org/2009/02/13/100688154/americans-the-book-that-changed-photography

http://classes.dma.ucla.edu/Summer12/160–1/files/A1-RobertFrank-Slideshow.pdf

http://classes.dma.ucla.edu/Summer12/160–1/files/A1-RobertFrank-Reading.pdf

https://oscarenfotos.files.wordpress.com/2012/05/robert_frank_-_the_americans.pdf

http://www.steidlville.com/pictures/pdf/Steidl_Frank_Catalogue_A4.pdf