Article 1, Section 6, Clause 2
SEE ALSO:
Records of the Federal Convention, Farrand 1:20--21, 210, 211, 217, 219, 228, 229, 370, 375--76, 383--84, 391--94, 419, 434, 435, 513; 2:129, 130, 140, 141--42, 155, 166, 282, 483, 486--87, 568, 593
Luther Martin, Maryland House of Delegates, 29 Nov. 1787, Farrand 3:155
George Nichols, Virginia Ratifying Convention, 4 June 1788, Elliot 3:19--21
Debate in New York Ratifying Convention, 26 June 1788, 2 Elliot 329
House of Representatives, Amendment to the Constitution, 21 Dec. 1810, Annals 22:453--58, 841--42, 897, 898, 899--900, 904--5
The Founders' Constitution
Volume 2, Article 1, Section 6, Clause 2, Introduction
http://press-pubs.uchicago.edu/founders/documents/a1_6_2s11.html
The University of Chicago Press