Search Type	Old Orbis (NOTIS)	New Orbis (WebVoyage)	Details
Title Use a title search when you know the exact name of an item.	Title	Title Journal Title Uniform Title as Main Entry	A Title search retrieves a list of titles in alphabetical order. A Journal Title search also retrieves a list of titles in alphabetical order, but limits your results to those items that are serial in nature. Use a Uniform Title as Main Entry when looking for materials that have no identifiable author and appear under varying titles or have many editions. This search is useful when looking for works in the oral tradition, such as the Bible, the Bhagavad-Gita, the Epic of Gilgamesh, Aesop’s Fables, the Arabian Nights, etc.
Author Use an author search to find materials by the name of the author, editor, composer, translator, arranger, illustrator or other people associated with the work. Authors can also be organizations, institutions, governments, government bodies or the names of symposia.	Author	Author (sorted by name) Author (sorted by title)	An Author (sorted by name) search browses a headings list of names using an authority file. Results are displayed in a Search Results List and may be browsed, forward and backward. An Author (sorted by title) search can be used when dealing with a prolific author/composer, etc. The author’s name is listed, followed by the titles of their works, in alphabetical order.
Subject The Yale Library Catalog uses standardized subject vocabularies to ensure consistent subject headings. These include Library of Congress (LCSH), National Library of Medicine (MeSH) and locally developed vocabularies.	Subject	Subject	Use a Subject search when the specific subject term is known. The words must appear in their authorized form and order for the search to retrieve relevant records.  No punctuation (e.g., dashes) is necessary. Orbis can help you find the right subject headings when searching by placing you in a browsable index and offering More Info buttons.

Search Type	Old Orbis (NOTIS)	New Orbis (WebVoyage)	Details
Keyword A keyword search checks each database record for the presence of the word(s) you specify. Your term can be found in almost any part (or “field”) of the record, including the title, subtitle, author, publishing information or subject fields. Use a keyword search when you don’t know the exact subject heading for your topic or if you have incomplete information about a title or an author.	Keyword	Keyword (MUST use and/or/not or “ “) Ranked Keyword Advanced Search (Guided Keyword)	Use Keyword (MUST use and/or/not or “ “) when you want to search for two or more terms at once. Phrases must be in quotation marks. A Ranked Keyword search retrieves results based on relevance and the number of times the term is found in the database record. Characters can be used to place emphasis on certain terms. Use + to mark essential terms: +explorer Use * to mark important terms: *internet Use ! to indicate that records containing that term are not to be displayed: !netscape Use Advanced Search to build a guided keyword search that looks for the words you specify in all fields or a particular field of a database record. Fill in the blanks from drop-down menus to create your search statement. The specific fields keyword searchable with Advanced Search include Keyword Anywhere, Title, Author, Publisher/Place of Publication/Date of Publication, Subject, Genre/Form, Local Subjects, ISBN/ISSN and Notes.
Call Number The Yale Library uses three types of call numbers to organize books and other materials by subject or shelf location: Library of Congress (LC) call numbers, local call number and Superintendent of Documents (SuDoc) numbers.	LC call number Yale local call number SuDoc number	Call Number	Orbis searches all call number indexes at once. A Call Number search is helpful if you want to “browse” for materials using the library catalog. Enter a call number or the first portions of a call number in the Find this: box and you will be placed in a browsable list that you can scroll through.