Most of the results in any single OPAC search will be print books, since currently the print collection still outnumbers the online collection.
However, the OPAC will also identify all other materials in the collection, including E-Books, audio / visual materials, journal titles, and microfilm / microfiche.
The OPAC will identify all printed books held within the library. Each book has been assigned a Library of Congress call number, which pinpoints the location of where the book is shelved. Books on similar topics will be shelved nearby, and will have similar call numbers.
To find this sample call number, GC231.2 .H65 2011, look first for the G's, then the GC's, then the GC 200's, and GC 230's, then GC 231.2, etc., etc., etc... For more on call numbers see Library of Congress Classification System.
The OPAC will also identify the library's online books. A keyword search in the OPAC will typically bring a mixture of print and online titles. Most libraries have one or more online book collections (eBooks), which may be searched individually. Unlike the OPAC, these E-Book collections will allow for a search within the entire text of these online books. An example is the Gale Virtual Reference Library.
A 'Keyword' search in a periodical database will search anywhere within the:
Most periodical databases have a mixture of full text articles and some items where there is only an abstract (summary) of the article.
For more on finding articles in the Sawyer Library's periodical databases, see the guides:
To be published in a peer reviewed (or refereed) journal, the article must be read and approved by other scholars in that field of study. For more on how to distinguish a scholarly journal from a popular magazine, see the Sawyer Library guide: Peer Review and Primary Literature: An Introduction.
Domain names are part of a website's address, or URL. They can be helpful in determining what type of organization stands behind a given website.