Subject Count
PUERTO RICO 2
Puerto Rico 3843
Puerto Rico -- 20th century -- Fiction 1
Puerto Rico -- Adjuntas 1
Puerto Rico. Administración de Fomento Económico
Puerto Rico -- Administrative and political divisions 3
Puerto Rico -- Administrative and political divisions -- Maps 4
Puerto Rico -- Aerial photographs 1
Puerto Rico -- African influences 1
Puerto Rico. Agencia de Sistemas de Salud 1
Puerto Rico -- Agriculture -- Economic aspects -- Statistics 1
Puerto Rico -- Agriculture -- Periodicals 1
Puerto Rico -- Aguadilla 1
Puerto Rico -- Aibonito 1
Puerto Rico -- Anecdotes 1
Puerto Rico -- Anniversaries, etc 1
Puerto Rico -- Antiquities 27
Puerto Rico -- Antiquities -- Catalogs 1
Puerto Rico -- Antiquities -- Congresses 2
Puerto Rico -- Antiquities -- Exhibitions 2
Puerto Rico -- Antiquities -- Pictorial works 1
Puerto Rico -- Appropriations and expenditures 18
Puerto Rico Aqueduct and Sewer Authority 1
Puerto Rico. Aqueduct and Sewer Authority
Puerto Rico Aqueduct and Sewer Authority -- Auditing 1
Puerto Rico Aqueduct and Sewer Authority -- Rules and practice -- Auditing 1
Puerto Rico -- Archillas Cave 1
Puerto Rico -- Archival resources 2
Puerto Rico -- Arecibo 5
Puerto Rico -- Arecibo -- La Esperanza 2
Puerto Rico -- Armed Forces -- History -- 18th century 1
Puerto Rico -- Arroyo 3
Puerto Rico. Asamblea Legislativa
Puerto Rico -- Atlantic Fleet Weapons Training Facility (Vieques Island) 4
Puerto Rico -- Atlases 1
Puerto Rico. Audiencia
Puerto Rico. Autoridad de Acueductos y Alcantarillados
Puerto Rico -- Barceloneta 3
Puerto Rico -- Bathymetric maps 1
Puerto Rico -- Bayamón 1
Puerto Rico -- Bibliography 16
Puerto Rico -- Bio-bibliography 1
Puerto Rico -- Biografía 1
Puerto Rico -- Biography 21
Puerto Rico -- Biography -- History and criticism 1
Puerto Rico -- Biography -- Indexes 1
Puerto Rico -- Biography -- Periodicals 1
Puerto Rico. Board of Commissioners of Agriculture 1
Puerto Rico. Board of Commissioners of Agriculture -- Periodicals 1
Puerto Rico -- Borinquen 1
Puerto Rico -- Bosque Seco de Guánica 1
Puerto Rico -- Buena Vista Hacienda 2
Puerto Rico -- c Social conditions 1
Puerto Rico -- Cabo Rojo 2
Puerto Rico -- Cabo Rojo National Wildlife Refuge 2
Puerto Rico -- Caguana Site 2
Puerto Rico -- Caguas 4
Puerto Rico -- Canóvanas 1
Puerto Rico -- Caribbean National Forest 15
Puerto Rico -- Carolina 4