The list below is believed complete, though membership – like everything here – is subject to revision.
The Aetheric Concord – Dr. Aird's 1855 society for proving the flat plane – the exact mirror of the Bavarian Society, and never once known to disagree.
The Telluric Athenaeum – Latitudinarian athenaeum (est. 1849) that honoured every cosmography equally, converted no one, and was indistinguishable, in its records, from its keeper.