An aggregation of public data-sets and data sources
http://www.face-rec.org/databases/ http://vis-www.cs.umass.edu/lfw/
http://homepages.abdn.ac.uk/m.burton/pages/gfmt/Glasgow%20Face%20Recognition%20Group.html
http://www.pitt.edu/~emotion/ck-spread.htm http://vision.ucsd.edu/content/yale-face-database
http://www.nist.gov/itl/iad/ig/colorferet.cfm - The database contains 1564 sets of images for a total of 14,126 images that includes 1199 individuals and 365 duplicate sets of images.
http://robotics.csie.ncku.edu.tw/Databases/FaceDetect_PoseEstimate.htm
http://www.kdnuggets.com/datasets/index.html https://aws.amazon.com/publicdatasets/