Most people realize that it is very important to eat foods that are rich in vitamins, it is often very difficult to know which foods include which vitamins.
The informational picture below does a very good job of making it easy to visualize which foods contain certain vitamins.
Although you may want to look at detailed tables for when looking for fuller details on the sources, and the concentrations of individual vitamins that you may be lacking, such as this one on Vitamin E for example, or this folic acid (B9) rich food list, I think that you will find that the diagram below is a very good starting point for getting a good overview of the thirteen major essential vitamins that the body requires.