Thesaurus: A list of all subject heading or descriptors used in a database, catalog, or index. A thesaurus will indicate the correct controlled vocabulary to use for a given term.
Union Catalog: A catalog which lists materials held by a group of libraries (such as the SUS).
Volume: Physically, a volume is a gathering of pages bound together in the form of a book. Numerically, a volume is a full set of issues (numbers which comprises a SERIAL volume bound together. Citations to periodicals use the term in the numerical sense to indicate issues published during a given year.
WORD SEARCH: ALEPH allows you to search by WORDS. Words may be from the title or they may be subjects, concepts, ideas and dates. The word search might also be called a "keyword" search.