In some fields, you may want to create a portfolio to take to an interview. A portfolio has the unique ability to show your interviewer examples of your previous works.
The Library has several materials to help you create a portfolio.
Portfolios aren't always a physical item to take to interviews. You can also have online e-portfolios with a web address to include on your resume or application. Here are some tips on web design to make your online portfolio look its best.
These websites are places where you can build and host an e-portfolio. (Note: Some of these sites are free and others require a subscription.)