Then there's this:

http://experimental.worldcat.org/marcusage/2016-01-650a.txt

A dump of every 650 $a found in WorldCat, as of January 2016. You will need
to wait for a bit to get the 2017 report. It's a large file. ;-)
Roy

On Tue, Jan 24, 2017 at 2:53 PM, Julian Gautier <[log in to unmask]> wrote:

> Steve and Kyle,
>
> Thank you so much for taking the time to help clarify (and so quickly)! I
> did mean LCC and not LCHS, but the purposes of both force me to re-consider
> my thinking.
>
> Kyle, I'd like to get back to you if that's okay.
>
> Thanks!
> Julian
>
> On Tue, Jan 24, 2017 at 5:00 PM, Kyle Banerjee <[log in to unmask]>
> wrote:
>
> > Howdy Julian,
> >
> > Could you say a bit more about what you need to do? As Steve mentions,
> LCC
> > and LCSH have very different purposes.
> >
> > A list that you'd get from stitching together the files you were looking
> at
> > and a list of officially enumerated LCSH headings will look totally
> > different. For starters, the lists on
> > https://www.loc.gov/catdir/cpso/lcco/ contain
> > only summary information and the officially enumerated LCSH list will
> have
> > hundreds of thousands of terms.
> >
> > There may be some convenient options depending on your objectives.
> >
> > kyle
> >
> > On Tue, Jan 24, 2017 at 9:18 AM, Julian Gautier <[log in to unmask]>
> > wrote:
> >
> > > Hi CODE4LIB,
> > >
> > > Could anyone here share access to all Library of Congress Subject
> > Headings
> > > in a list or table? I was about to piece one together from the outline
> on
> > > LOC's website <https://www.loc.gov/catdir/cpso/lcco/> (it's also on
> > > different pages on Wikipedia), but figured you fine folks might already
> > > have a list.
> > >
> > > Best,
> > > Julian
> > >
> > > --
> > > Julian Gautier
> > > 760-810-9726
> > >
> >
>
>
>
> --
> Julian Gautier
> 760-810-9726
>