https://archive.org/details/politicalregist01poorgoog?view=theater&ui=embed&wrapper=false
The political register and congressional directory: a statistical record of the federal officials,...
Book digitized by Google and uploaded to the Internet Archive by user tpb.
congressional directory
https://kw1.knowwho.com/
Congressional Directory | KnowWho
KnowWho is a data content and services provider of contact and profile information for federal, state, and local government officials.
congressional directory