[Lowfer] Historical HiFER operation?

[Facility 406]

A discussion of ~13.56 MHz in another forum got me wondering...

Is there any historical HiFER operation information out there?

I first heard of LowFER in the early to mid-80's from a radio operator I 
ran into at C&H Sales in Pasadena, and he mentioned playing with it 
since the 1960's or 1950's (I don't recall the exact decade any more).

He mentioned there was a large club and numerous operators in the San 
Gabriel Valley region of southern California, and tried to get my friend 
and I involved.

In 1994 I purchased a copy of the CFRs containing Part 15, and 
discovered the 13, 27, ISDM bands as well as the license-free 49 MHz 
band, and by mid-1994, was running a Part 15 beacon around 49 MHz based 
on a radio remote control I found, and monitoring around the 
neighborhood on a Uniden BC-10 or BC-200 scanner.  It wasn't until the 
very end of the 90's, or maybe the early 2000's, that I began hearing of 
HiFER and VFER.

In my years on the web (and books, and having been a member of LWCA in 
the early 90's), it seems LowFER is well documented, but is there very 
much, or good, historical documentation of MedFER/HiFER/VFER operation, 
et cetera?

Kurt