Padover, Saul K. (Saul Kussiel)
The Living v.s. constitution
A Mentor Book, 1953
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Burdette, Franklin L.
Filibustering in the senate
Princeton, Princeton University Press
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Baker, Ross K.
Friend and Foe In the U.S. Senate
Free Press, 1980
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Welch, Joseph N.
The constitution
Houghton Miffiln, 1956
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Music-makers and reformed theology
Artikel Jurnal