I just uploaded Jureeka version 1.4, which includes links to around 275 volumes from the Federal Reporter. These volumes cover U.S. federal circuit court cases from 1880 to around 1922.
The cases are hosted at:
This material is probably of little interest to John Q. Lawyer, let alone John Q. Public. But I'm compulsive about hyperlinking the legal web - knitting together legal source material from a variety of publishers and making it all accessible by legal citation. Even if few people reach these cases, I like knowing that it's reachable.
And who knows, maybe the authority you're looking for is in there...though I highly doubt it.