Except where otherwise noted, this content is under aCreative
Commons Attribution-Share Alike 3.0 License. For attribution,
please include myname, Douglas P Perkins, and a link to the EFL
section of my website, dperkins.org.
The images used here are either my own (in which case I give
permission as stated above), inthe public domain (where reuse is no
problem), or released under Creative Commons bytheir creators (as
noted below).
