Bio
http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Nightingale.html
6 portraits
http://www-groups.dcs.st-and.ac.uk/~history/PictDisplay/Nightingale.html

Clendening library, letters
http://clendening.kumc.edu/dc/fn/otherflo.html

brief appreciation of her statistical work
http://www.scottlan.edu/lriddle/women/nitegale.htm

Florence Nightingale museum
http://www.florence-nightingale.co.uk/
 

The best so far for stats links
http://www.math.yorku.ca/SCS/Gallery/flo.html   .

Statistical diagrams:
http://www.florence-nightingale.co.uk/small.htm

http://www.florence-nightingale.co.uk/stats.htm

Collected works organizers
http://www.anthropology.uoguelph.ca/fnightingale/Introduction/index.htm