Primary Sources at Yale: Welcome

Sources of information or evidence are often categorized as primary, secondary, or tertiary material These classifications are based on the originality of the

The Center for High-Power Radiation Sources ELBE is a super microscope the size of a football pitch It generates diverse types of radiation, for example

resources What are credible sources? As a university student, you are expected to use credible sources in your assessments and course work A credible

sources Primary Sources Primary Sources are immediate, first-hand accounts of a topic, from people who had a direct connection with it Primary sources