Excellent links
http://polycount.com/discussion/158836/face-edgeloops-for-animation-best-practice/p1
http://www.gdcvault.com/play/1014366/Fast-and-Efficient-Facial-Rigging
http://chrislesage.com/posts/sliding-bulging-effects-with-softmods
https://threerendermonkeys.com/2014/05/21/creating-a-simple-maya-node-with-python/
http://help.autodesk.com/view/MAYAUL/2017/ENU/?
http://www.ngreen.org/articles/implementing-a-simple-maya-python-deformer.html
http://www.riggingdojo.com/free-model-from-hippydrome-com/
http://www.kimonmatara.com/moving-3d-portfolio-2/
http://www.akeric.com/blog/?p=1067
https://vimeo.com/jernst
http://nathanhorne.com/guide-to-pyqtpyside/
https://fredrikaverpil.github.io/2016/07/25/dealing-with-maya-2017-and-pyside2/
http://www.hippydrome.com/
http://www.riggingdojo.com/free-model-from-hippydrome-com/
https://vimeo.com/search?q=hippydrome
http://chrisevans3d.com/tutorials/maya_muscle.htm
http://www.cgaddict.com/
http://www.drawninblack.com/category/tutorials/
http://www.davidcorral.com/
http://www.n-imagine.com/site/links.html
http://www.joshburton.com/extras/
http://www.thundercloud-studio.com/shops/gmh2/
http://www.speedtree.com/