* Sandra Mitchell // website [http://www.hps.pitt.edu/profile/mitchell.php 1], [http://www.pitt.edu/~smitchel/ 2], [http://philpapers.org/s/sandra%20mitchell PhilPapers]
* Kenneth F. Schaffner // website [http://www.hps.pitt.edu/profile/schaffner.php 1], [http://www.pitt.edu/~kfs/ 2], [http://philpapers.org/profile/32313 PhilPapers]
* James Woodward // [http://www.hps.pitt.edu/profile/woodward.php website], [http://philpapers.org/s/james%20woodward PhilPapers]
=== [http://sydney.edu.au/arts/philosophy/ University of Sydney] ===