To login from off-campus, you will need your eServices username (w+student ID) and password.
OneSearch is really what it's name implies, one place to search for many different kinds of sources, including; books, eBooks, academic articles, news articles, videos, and more!
Suggested Search for Option 2:
___social group____ discriminat* United States
Search Tips:
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Asterisk: Use this to shorten a word with different possible endings to give you more results.
Example: discriminat*
The example above would find articles with the words: discriminate, discriminated, discrimination, etc.
Encyclopedia of Race and Racism by 
The Race Controversy in American Education by 
People of Color in the United States by 
Gender, Race, and Ethnicity in the Workplace by