guardian_sections lets you directly search
The Guardian for metadata about sections - individual categories of
content, such as world or US news.
Usage
guardian_sections(api_key, query, ...)
Arguments
api_key
A key to the Guardian API, which can be obtained
here.
query
Your search query. This can contain operators (sausage AND mash) or
phrases ("sausage & mash"); by default, searches work as an OR, looking for
the presence of any one individual word in the query.
...
further arguments to pass to httr's GET.
See Also
guardian_tags for retrieving tags, another class
of content metadata.