A great way to find established monographs is to look for clusters of books published in series by academic and scholarly publishers. Here's a brief list of some of the best series in Education studies.
WorldCat is the largest network of library resources worldwide. In searching the WorldCat catalogue, you are finding information about the holdings of almost every library in the United States.
If you are looking for books and don't know where to begin, you can search within these call number ranges. Refer to the Library of Congress Classification Outline for more information.
LA- History of Education
LB- Theory and Practice of Education
LC- Special Aspects of Education
LD-LG- Individual Institutions
Periodically, Carmichael Librarians will recommend influential books to read. Think of this section as a "Staff Picks" list in your favorite independent bookstore