Every second year; Congressional behavior and the two-year term.

Xehetasun bibliografikoak
Egile nagusia:	Jones, Charles O.
Erakunde egilea:	Brookings Institution, Washington, D. C.
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Washington Brookings Institiution [c1967].
Gaiak:	U. S. Congress. House.