One way to screen web sites is to use a web directory as your search engine. Web directories vary in restrictiveness, but all have some rating system for site inclusion. A web directory that carefully selects the best web sites on a variety of topics is Librarian's Index to the Internet . There are also gateways and search engines specific to art, such as ArtSearch . A commercial site recommended for locating art online, searchable by artist or movement, is ArtCyclopedia , canvasing online collections from many different museums.
Some museums provide research bibliographies for works in their collection.
One such museum is the National Gallery of Art . For information about the college study and teaching of art, visit the College Art Association . Style guides Trexler Library's MLA Style Examples offers models for citing print and electronic sources in a bibliography.