Up to six terms may be entered into the database. Separate terms with semicolons. Use lower case except for proper nouns.
Only the terms, however, which provide access to the most significant characteristics of the image(s) being entered should be assigned.
DEFINITION: A controlled vocabulary of general indexing terms for subject retrieval.
Enter relevant topical terms from any of the above named sources, selecting the appropriate primary source from what is known about the general content of the image. Follow the term with an abbreviation for the source in lower case in parenthesis (e.g. Controlled clinical trials (mesh).
Images, their captions, and accompanying documentation should be examined to determine both the most salient concrete aspects (what the picture is "of") and any apparent themes or authorial intents (what the picture is "about"), taking care not to read into the images any subjective aspects which are open to interpretation by the viewer (lctgm).
Follow the principle of specificity, which requires that the most specific term possible be used to describe a concept.
DEFINITION: Indexing terms related to names of people, organizations, and places.
When geographical and biographical access is considered useful, proper name headings, if possible, should come from Library of Congress Name Authority Files or Library of Congress Subject Headings. If LC Name Authority Files are not available or relevant, use the Lookup capacity of the database to be certain names are entered consistently.
Enter the names of known persons appearing as subjects in the image. Record last name first; include known credentials (e.g. M.D.). Consult AACR2 for guidance in entering names.
If a geographic place is represented, record the term in the form or forms most likely to be known, omitting initial articles. Refer to AACR2 for guidance in form of entry. (Do not use the subject field to record where images were printed, such as the location of a studio).
Use facet notes for geographic subdivision. Construct the subdivision in indirect order (i.e. broader place name preceding narrower place name) as specified in LC Thesaurus for Graphical Materials (e.g. Politicians -- Michigan).