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This is the catalog of Washington Unversity's library holdings.
Step 2: Check MOBIUS
MOBIUS- Search cooperating Missouri libraries resources, which can be borrowed.
STEP 3: CHECK Worldcat
Worldcat - The catalog of the world's library holdings. Search for items which you were unable to locate via WUSTL or MOBIUS; the libraries can usually get access for you via interlibrary loan.