This one had fallen through the cracks but Ron was kind enough to loan an original typewritten manuscript to me for scanning a few years ago.
It is a fair treatment and he actually did the legwork, interviewed several former Silvershirts, got his facts straight.
While most Pelley theses are feces, this one is solid.
Check it out and download:
https://archive.org/details/AftermathWDPAndSilvershirts/mode/2up