Curated OER
Causes and Effects
Students investigate one family's volunteer tourism experience and the international volunteer organizations to create a community guide to helping those in need around the world.
OpenStax
Open Stax: Catherine Schmidt Jones: Trumpets and Cornets
Learn more about the trumpet and cornet at this web page. Provided is a brief history of these brass instruments.
City University of New York
Choosing a Map Projection: In Search of a Good Map Projection
College-level geography tipsheet for developing an appropriate map projection.