NoveList Plus
A searchable database of fiction and nonfiction titles. Contains book reviews, recommended reading lists and book discussion guides. Click here for a video tutorial about using this resource.
Research a Topic
NRICH Maths
Educators for students of all ages can access problem sets, interactive math games, and curriculum development.
Occupational Outlook Handbook
The Occupational Outlook Handbook is a nationally recognized source of career information, designed to provide valuable assistance to individuals making decisions about their future work lives. Revised every two years, the Handbook describes what workers do on the job, working conditions, the training and education needed, earnings, and expected job prospects in a wide range of occupations.
Old Maps Online
An easy-to-use getaway to historical maps in libraries around the world. Includes rare 16th through 21st century maps of North America, South America, Europe, Asia, Africa, Australia, Antarctica, the Pacific, the Arctic, and the World.
Ology
Variety of science topics for kids to explore. Presented by the American Museum of Natural History.
On the Day You were Born
Get news headlines, prices, top songs and more.
Open Learning Initiative (OLI)
The Open Learning Initiative (OLI) is a grant-funded group at Carnegie Mellon University, offering innovative online courses to anyone who wants to learn or teach. Our aim is to create high-quality courses and contribute original research to improve learning and transform higher education.
Open Library
Millions of free ebooks for checkout. Access using a browser, Android app, or iOS app.
Open Yale Courses
Free, pre-recorded courses from Yale University. In addition to video and audio versions, course materials as syllabi, suggested readings, exams, and problem sets are also included.
Opposing Viewpoints in Context
Information from many sources on popular research topics for students.
OverDrive
Browse, borrow, and enjoy titles from the St. Louis County Library digital collection.
Oxford Reference Online
Full text access to dictionaries covering broad range of subjects including Literature, the Arts, the Classics, Folklore and Mythology, and Languages. Also, English language resources and bilingual dictionaries. Click here for a video tutorial about using this resource.
Oxford Reference Online: Art & Architecture
More than 60,000 definitions and encyclopedic entries regarding art and architecture with coverage on artists and architects, works and buildings, terminology, concepts and more.
Oxford Reference Online: History
More than 143,000 definitions and encyclopedic entries covering notable eras, events and individuals that have shaped our history and the historical methodology used to research them.
Oxford Reference Online: Languages
Dictionaries and A-Z guides dedicated to the learning, use and study of language, including English and bilingual dictionaries and thesauri.
Oxford Reference Online: Law
More than 34.000 definitions and encyclopedic entries on the major terms, concepts, processes and organization of legal systems in the UK, US and Australia.
Oxford Reference Online: Literature
More than 177,000 definitions and encyclopedic entries on writers, works, movements and literary theories from national and international literature, poetry and plays.
Oxford Reference Online: Medicine and Health
More than 82,000 definitions and encyclopedic entries on the study of the prevention, cure and understanding of disease as well as the investigation of physical and mental wellbeing.
Oxford Reference Online: Music
More than 125,000 definitions and encyclopedic entries on the wide range of subjects within the field of music, including genres of music, time periods, composers, conductors, performers and instruments.
Oxford Reference Online: Religion
More than 61,000 definitions and encyclopedic entries encompassing the systematic study of world religions and faiths.