The University of Michigan maintains what we call “High Level Browse” — a
mapping of LC/Dewey call numbers to a limited hierarchy, based loosely
around academic departments (at least at the time it started). It’s still
maintained, and may prove generally useful as well.

The HLB hierarchy <> gives you an idea of
what it is, and you can download and XML dump of the categories and their
associated call number ranges
​(1.8mb) ​
if that’s your thing.


On Wed, Apr 13, 2016 at 10:38 AM, William Denton <[log in to unmask]> wrote:

> On 13 April 2016, Mark Watkins wrote:
> I'm a library sciences newbie, but it seems like LCSH doesn't really
>> provide a formal hierarchy of genre/topic, just a giant controlled
>> vocabulary. Bisac seems to provide the "expected" hierarchy.
>> Is anyone aware of any approaches (or better yet code!) that translates
>> lcsh to something like BISAC categories (either BISAC specifically or some
>> other hierarchy/ontology)? General web searching didn't find anything
>> obvious.
> There's HILCC, the Hierarchical Interface of LC Classification:
> Bill
> --
> William Denton ↔  Toronto, Canada ↔

Bill Dueber
Library Systems Programmer
University of Michigan Library