Un-refining by subject doesn't seem to work
Refining by subject works, but un-refining by subject doesn't.
Refine by Recycler
Refine by RR 12 batch slip-stacking study.
(so far, so good.)
Refine by Operations
(realize that I don't see new entries, because I have a subject selected)
Un-refine by RR 12 batch slip stacking
(new entries fail to appear)