This section of the National Resource Directory website lists Scholarships and Grants for Veterans and their families. Although there isn't a fully comprehensive list of scholarships for Veterans, this website has a large list of them.
This electronic book requires a UIUC NetID and password to view. Scholarships can be found by using the following keywords in front of the word scholarship. Veteran, Army, Navy, Marine Corps, Air Force, Coast Guard.
NASPA, international organization of student affairs administrators in higher education, has "knowledge communities" that provide newsletters, events, and other resources for various groups, including veterans.