1Luis de Onís to Thomas Jefferson, 13 April 1814 (Jefferson Papers)
...Constitution of the Spanish Monarchy. Promulgated at Cadiz on the 19th of March, 1812 (...
2Thomas Jefferson to Luis de Onís, 28 April 1814 (Jefferson Papers)
...(Constitution of the Spanish Monarchy. Promulgated at Cadiz on the 19th of March, 1812...
3Thomas Jefferson to Pierre Samuel Du Pont de Nemours, 24 April 1816 (Jefferson Papers)
...of the Constitution of the Spanish Monarchy. Promulgated at Cadiz on the 19th of March, 1812 (...