On Facebook I follow several PTSD pages.  This one offered a free download on the basics of PTSD

http://www.heartsmovingmountains.com/mm5/merchant.mvc?Store_Code=HMM&Screen=ptsd_basics

Here is another link to start considering ideas to help combat anxiety associated with PTSD

http://www.anxietybc.com/sites/default/files/adult_hmptsd.pdf

I continue to search for more charts and webpages that address PTSD.  If you know of a page that you think is helpful for PTSD please, share.