Analysis of information sources in references of the Wikipedia article "Interposition" in English language version.
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: ISBN / Date incompatibility (help). The other states taking the position that the constitutionality of federal laws is a question for the federal courts, not the states, were New York, Massachusetts, Rhode Island, New Hampshire, and Pennsylvania. The Governor of Delaware also took this position. Anderson, Frank Maloy (1899). . American Historical Review. pp. 45–63, 225–244. {{cite book}}
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