- Gregorian chants1
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- Italy1
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- John IV, King of Portugal, 1604-16561
- John Manuel, Prince of Portugal, 1537-15541
- John V, King of Portugal, 1689-17501
- Juana, of Austria, Princess of Portugal, 1535-15731
- Judaism--Customs and practices1
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- Lafões, Pedro Henrique de Bragança, Duque de, 1718-17611
- Law1
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- Manuel I, King of Portugal, 1469-15211
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