Following this first group are links to jump to any subsequent groups of records. In the left frame, your search and previous parameters are still visible. From the left hand frame you may also start a new search or review your search history. Search History Available only from the Advanced Search mode. Represent alternative spellings.
Boolean operators help define the relationships between words or groups of words.
Use To AND Narrow search, and retrieve records containing all of the words it separates. OR Broaden search, and retrieve records containing any of the words it separates. NOT Narrow search, and retrieve records that do not contain the term following it. If no operator is used, more than one word in a search term is treated as a phrase, e.g. homeless people retrieves records containing the two words immediately adjacent to one another and in the same order. The format used for authors' names varies from record to record.