General Reference

Bilingual dictionaries for Chinese, French, German, Italian, Russian, and Spanish, including a pronunciation feature and other language learning and usage tools.

Meaning, history, and pronunciation of over half a million words from across the English-speaking world. Updated quarterly.

Information on social issues, including viewpoint articles, topic overviews, statistics, primary documents, full-text articles, and more.

Resources presenting multiple sides of an issue to help students better understand controversial issues and develop analytical thinking skills.

Comprehensive coverage of more than 50 of the most-studied topics in US history from pre-Colonial times to the present.

In-depth science resources, focusing on key concepts and subject areas taught in school classrooms.

Extensive collection of online reference books covering careers, health, history, literature, and science.

Un excelente recurso digital en español que ayuda a enriquecer el aprendizaje de los estudiantes en la escuela primaria y secundaria.

For students and researchers. Content covering themes and trends from current history curriculums and world history textbooks. Includes the 20th century.