SIRS Knowledge Source [new translator]

New translator for SIRS Knowledge Source, a ProQuest K-12 database
(Note: this only covers Knowledge Source, not SIRS Discoverer or SIRS Decades)
Get the URL without the proxy. It's supposed to get http(s)://, skip the proxy part, and continue where the non-proxied URL picks up. (Unless I'm misunderstanding how proxy URLs work)