This site contains useful review problems for both 3137 and 3139. But please make sure to look over the README file for your particular class. It will tell you which problems are most important for your section. Here are the README files:
The main directory contains the following Data Structures practice midterm problem files:
Here is the link to the entire directory.
Some of the problems have solutions available in the obviously named solutions file. Filenames which don't have the modification "Practice" refer to actual midterms. If you're a 3137 student, don't worry about the fact that some of the midterms refer to 3139 (3137 didn't exist before the Fall of 2000).
Here is a list of currently known errata: