Article 6, Clause 2
Document 22
Kentucky Resolutions
10 Nov. 1798(See Amend. I [speech and press], no. 18 )
The Founders' Constitution
Volume 4, Article 6, Clause 2, Document 22
http://press-pubs.uchicago.edu/founders/documents/a6_2s22.html
The University of Chicago Press