Owen Barfield, ca. 1923. Taken from http://www.owenbarfield.com.
I could go on and on about how much this book has shaped my own life and every aspect of my thought. But, if you’re checking this out, you’re interested in Barfield, not Birzer!
If you’ve not read this, I envy you.
Here’s the first edition, published only six years after Barfield wrote it as his undergraduate thesis at Oxford.
My apologies for all of my marginalia.
Stormfields 
Mr Birzer
I just discovered your enthusiasm for Owen Barfield.
For your interest you may thus be interested in my writings about him, on my USCA Homepage link in the space you provide.
Also I would like to hear how you like my analysis of Parfield on Participation these two links.
The link next down is older and needs improving,
I have posted better more focused version, but our site is down. Let me know if you want to
see this also.
. Sincerely Henry Gurr
http://web.usca.edu/math/faculty-sites/henry-gurr/OwenBarfieldInterpretMythV67.dot