Wikipedia offers the short definition of brown algae, a large group of multicellular algae.

Wikipedia provides a definition of celluloid, the name of a class of compounds created from nitrocellulose and camphor, and shows how it was used to create such inventions as movie film.

This site from the Encyclopedia Wikipedia provides brief biographical information on German physicist and mathematician Rudolf Clausius including an image, hyperlinked terms, and external links.

Wikipedia offers a simple definition of the term, "Ductility," including several hyperlinked terms.

Wikipedia provides brief biographical information on Richard Hooker, English writer and Anglican theologian.

Wikipedia offers information on German Psychiatrist and philosopher, Karl Jaspers (1883-1969 CE). Site includes biography, contributions to psychiatry, and contributions to philosophy and theology.

Encyclopedia entry for Tibetan Buddhism, also called Lamaism, from the openly editable online encyclopedia Wikipedia.

Wikipedia, a publically-maintained wiki, provides biographical information on Nagarjuna, Indian philospher and founder of Mahayana Buddhism.

Wikipedia offers detailed information on the Pharisees, one of the successor groups of the Hasidim. Includes a hyperlinked table of contents for easy site navigation.

Wikipedia offers brief biographical information on Baroque composer Jean-Philippe Rameau, including a list of works.

A Wikipedia description of the C++ programming language.

Wikipedia offers a basic definition for what the Pangea was.

This site from the encyclopedia Wikipedia describes the military career of Abner Doubleday and disputes the idea that he is the inventor of baseball. Links are provided for additional information on related subjects.

Wikipedia provides biographical information about Joe Montana, including his football statistics from high school, college, and the pros.

A Wikipedia resource on the Statute of Westminster, 1931. The resource includes information on the Commonwealth countries involved, equality provisions, and the implications to the throne.

A Wikipedia article on Canadian bush pilot, Clennell Haggerston "Punch" Dickins. Included are a biography of his early life, his contributions during the World Wars, and his post-war legacy.

An explanation of the role of third parties, their history, and some notable third party candidates can be found in this Wikipedia article.

Pre-Columbian Maya archaeological sites are listed here, with links to Wikipedia pages about each.

This site from the encyclopedia Wikipedia provides a brief biography of civil rights activist Rosa Parks and details her refusal to give up her seat to a white man and move to the back of the bus in Montgomery, Alabama.

An extensive biography from Wikipedia about Khmer Rouge leader Pol Pot. It discusses his taking power over of the Khmer Rouge, and of the Cambodian government in 1975, the direct and indirect support of the United States of Pol Pot...

This site from the Encyclopedia Wikipedia provides information on the Dred Scott case, as it progressed through the Missouri state court, the Federal court system, and the appeal that went to the Supreme Court.

This encyclopedia article from Wikipedia gives some background history to the creation of the Bill of Rights and contains a transcription of the first ten amendments to the Constitution in their original form.

This site from Wikipedia provides a description of the Trail of Tears. Also given is some background information that led to the removal of the Cherokees from northern Georgia as well as information on the actual removal process.

This site from the free encyclopedia Wikipedia contains brief but informative information on the Aztec god, Tlaloc. Great for background knowledge on the subject.