«Atkinson, George Wesley». Biographical Directory of the United States Congress. Clerk of the United States House of Representatives and Historian of the United States Senate. Ανακτήθηκε στις 16 Αυγούστου 2009.
«Hatfield, Henry Drury». Clerk of the United States House of Representatives and Historian of the United States Senate. Ανακτήθηκε στις 16 Αυγούστου 2009.Text " Biographical Directory of the United States Congress " ignored (βοήθεια)
«Neely, Matthew Mansfield». Biographical Directory of the United States Congress. Clerk of the United States House of Representatives and Historian of the United States Senate. Ανακτήθηκε στις 16 Αυγούστου 2009.
«Moore, Arch Alfred, Jr». Biographical Directory of the United States Congress. Clerk of the United States House of Representatives and Historian of the United States Senate. Ανακτήθηκε στις 16 Αυγούστου 2009.
«Rockefeller, John Davison IV (Jay)». Biographical Directory of the United States Congress. Clerk of the United States House of Representatives and Historian of the United States Senate. Ανακτήθηκε στις 16 Αυγούστου 2009.
«Wise, Robert Ellsworth, Jr». Biographical Directory of the United States Congress. Clerk of the United States House of Representatives and Historian of the United States Senate. Ανακτήθηκε στις 18 Αυγούστου 2009.
