Puerto Rico's 65th Infantry Regiment
- The Borinqueneers. History of the Puerto Rican 65th Infantry Regiment, including casualty lists and Medal lists. News and photos from the Korean War.
- http://www.valerosos.com/

Schomburg Center for Research in Black Culture
- Personal collection of the Puerto Rican-born Black scholar and bibliophile, Arturo Alfonso Schomburg (1874-1938).
- http://nypl.org/research/sc/sc.html

Juan Ponce de Leon
- Brief biography and a collection of links to additional information.
- http://www.win.tue.nl/~engels/discovery/ponce.html

Cerro Maravilla Archive
- News and articles from several publications about the case of two young advocates of independence who were shot dead by a group of policemen on an isolated mountain in Puerto Rico.
- http://home.coqui.net/ciales15/cmindex.htm

Historical Photographs of Puerto Rico,1898-1940s
- These photographs are from the American Memory Collection Web Site of the Library of Congress in Washington.
- http://caribou.cc.trincoll.edu/classes_hist378/archivo/prpics1.htm

History Time Line for Puerto Rico
- Welcome to Puerto Rico's history page featuring a time line of the various historical events of the island.
- http://welcome.topuertorico.org/history.shtml

The Puerto Rican Soldier
- A documentary about Puerto Rico's 65th Infantry Regiment, the only Hispanic-segregated unit in Army history. Produced by El Pozo Productions, using extensive interviews and archival footage.
- http://prsoldier.com/

Centro
- The Center for Puerto Rican Studies at CUNY. A major research and educational resource center.
- http://centropr.org/

Puerto Rico at the Dawn of the Modern Age: Nineteenth - and Early-Twentieth-Century Perspectives
- By the Library of Congress. Early history of the Commonwealth through first-person accounts.
- http://memory.loc.gov/ammem/prhtml/

The Jíbaros Corner
- Blend of history, contemporary news, wit, wisdom and humor viewed from the Puerto Rican Jíbaro lens.
- http://www.jibaros.com/

Wartime Puerto Rico and History
- Overview essay about this island during wartime with a chronology, index, maps and related literature.
- http://lcweb.loc.gov/rr/hispanic/1898/puertorico.html

Taino Terms - Dictionary of Indigenous Caribbean Language
- A comprehensive collection of Taino words translated into Spanish with an introduction in English.
- http://members.dandy.net/~orocobix/terms1.htm

Curious Historical Facts
- An eclectic collection of odd facts taken from Puerto Rican History.
- http://www.naic.edu/tony/ptrico.htm

Summary of Puerto Rican History
- Understanding Puerto Rico's cultural and racial inheritance today is the theme of this History summary. Illustrated with photos of ruins.
- http://www.rainforestsafari.com/history.html

Elections in Puerto Rico
- Deep file of official election and plebiscite results, 1920-present.
- http://eleccionespuertorico.org/home_en.html