Microstate enclaved within Italy; one of the world's oldest republics, with two co-equal Captains Regent as heads of state.
Primary/period traveler's account: the first full English-language history of San Marino, written by a Victorian historian who was later made a citizen of the republic; situates the microstate in its 19th-century setting.
Contemporary historical sketch of the ancient republic and its dual Captains-Regent constitution.
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