On Wednesday, 28 Jun 2017 at 08:50, Loris Bennett wrote:
> does Org provide any way of extracting just the level 3 headlines for a
> given 7 day period?

If you have org timestamps on those headlines, you might be able to use
org-sparse-tree (C-c /) with the D option (dates range).

-- 
: Eric S Fraga via Emacs 26.0.50, Org release_9.0.9-551-g92e8c8