XX.—DECLINE OF SPAIN'S POWER. BUCCANEERS AND FILIBUSTERS. 1625-1780
XXI.—BRITISH ATTACKS ON PUERTO RICO. SIEGE OF SAN JUAN BY SIR RALPH ABERCROMBIE. 1678-1797
XXII.—BRITISH ATTACKS ON PUERTO RICO (continued).
INVASIONS BY COLOMBIAN INSURGENTS. 1797-1829
XXIII.—REVIEW OF THE SOCIAL CONDITIONS IN PUERTO RICO AND THE POLITICAL EVENTS IN SPAIN FROM 1765 TO 1820
XXIV.—GENERAL CONDITION OF THE ISLAND FROM 1815 TO 1833
XXV.—POLITICAL EVENTS IN SPAIN AND THEIR INFLUENCE ON AFFAIRS IN PUERTO RICO. 1833-1874
XXVI.—GENERAL CONDITIONS OF THE ISLAND, THE DAWN OF FREEDOM.
1874-1898