It is legendary. The quote I listed is the epigraph of the book, a translation of François Villon's 15th-century poem Ballade du concours de Blois

It is worth buying

I'll look for it.

http://www.bargerharley-davidson.com/

I wonder if they are any relation ?

I am not even going to go into what/who I know concering the Angels organisation, I do however recall 2 things Sonny Barger said, that I will share.
Concerning recruitment into the club,he said-" In every classroom in America,there is 1 kid that doesnt believe what the teachers or the Establishment is trying to force down his throat.Send that kid to us...he is a 1%er...we'll take him..he's one of our's."
In regards to the black guy that got killed at Altamont Speedway(Rolling Stones concert 1969).
He said-"The black kid killed himself.He knew the Angels were all around him, but he still decided to pull his gun. In my opinion he just ..got-got".

All I can find for Song of the Sausage Creature is this -

http://www.gonzo.org/sausage_creature.txt

Was there more, a book even?

Great, um, poem, if you will. Hunter was awesome, RIP

__________________
On some nights I still believe that a car with the fuel gauge on empty can run about fifty more miles if you have the right music very loud on the radio. - HST

1983 300SD - 305000
1984 Toyota Landcruiser - 190000
1994 GMC Jimmy - 203000

https://media.giphy.com/media/X3nnss8PAj5aU/giphy.gif

That's all. It was an essay for Cycle World Magazine.

Two things that really caught my eye as far as changing over time.

The size of the bikes.
-and-
The size of the bikers.

Both seem to have grown immensely.

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1980 300D - Veggie Burner !

good point, a lot of rangie, wiry guys: of course speed was a favorite drug... The bikes were smaller. There were quite a few Sportsters in the group there and even the FLs were smaller than the scows that HD sells now. I had a 74 FLH and it seemed delicate parked next to the bikes of today.