Standards for the United States transportation industry, including air, highways, public transportation, rail, water, and active transportation. AASHTO standards cover materials and procedures used in bridge and highway construction and repair, such as asphalt, concrete, aggregates, and geotechnical materials.

This database offers a comprehensive collection of full-text scholarly and professional books published by the American Psychological Association (APA).

Digital encyclopedic reference product covering 9 key content areas in Education: Assessment, Multicultural Education, Social and Emotional Learning, Educational Technology, Special Education, Educational Psychology, Curriculum, Instruction, and Educational Leadership.

Digital encyclopedic reference product covering geographic and thematic areas across the medieval period, including Culture; Identities; Religion; Powers; Environment, Production, and Exchange; Islamic History and Culture; and Jewish Civilization, as well as an emphasis on Writing History and Methodology.

Digital encyclopedic reference product that supports the teaching and learning of Psychology in 7 key areas – law, education, social change, work, sport, relationships and health.

Digital encyclopedic reference product covering the 14th to the 18th century, with key subject areas including Art and Architecture, Economy and Commerce, Environment, Literature and Drama, Politics and Governance, Religion, and Society