Columbia subject headings:
Legislators--United States--Archives--Handbooks, manuals, etc.
United States. Congress. Senate--Records and correspondence--Handbooks, manuals, etc.
Harvard subject headings:
Legislators--United States--Archives--Handbooks, manuals, etc.
United States. Congress. Senate--Records and correspondence--Handbooks, manuals, etc.
Princeton subject headings:
Legislators--United States--Archives--Handbooks, manuals, etc.
United States. Congress. Senate--Records and correspondence--Handbooks, manuals, etc.