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• Refers to still images produced from radiation-sensitive materials (sensitive to light, electron beams, or nuclear radiation), generally by means of the chemical action of light on a sensitive film, paper, glass, or metal. Photographs may be positive or negative, opaque or transparent. The concept does not include reproductive prints of documents and technical drawings, for which descriptors found under "<reprographic copies>" are more appropriate. The concept may include photographs made by digital means.

• Forms -- which are formulary documents that arrange particular information in a prescribed sequence and format -- that are created with blank spaces, lines, boxes, data entry fields, or other means to prompt users of the form to fill in the particular information. Blank forms may be handwritten, printed, typed, or online. When indexing, this term may be used for such forms whether or not they have been filled in by a user of the form.

• Small printed works consisting of one small-sized leaf of paper folded and not stitched or bound, containing printed matter, chiefly for gratuitous distribution.

• Complete, nonperiodical printed works generally of fewer than 80 pages, often with a paper cover, sometimes short treatises on arguments or topics of current interest. For smaller printed works, of one sheet folded and not stitched or bound, use "leaflets." An independent publication consisting of a few leaves of printed matter fastened together but not bound.

• Direct observation and descriptive study of the culture and way of life of particular societies.

• Statements, transcripts, or recordings of conversations in which one person obtains information from another such as for research purposes, publication, or broadcast.

• Short literary compositions on single subjects, often presenting the personal view of the author.

• Items created, manufactured, or used for a specific, limited use; typically intended to be used for a short period and discarded thereafter, although ephemera is often actually collected.

• Visual works produced by drawing, which is the application of lines on a surface, often paper, by using a pencil, pen, chalk, or some other tracing instrument to focus on the delineation of form rather than the application of color. This term is often defined broadly to refer to computer-generated images as well.

Usar para: Journals

• Refers to books containing the daily, personal accounts of the writer's own experiences, attitudes, and observations. Use "journals (accounts)" when referring to an individual's or an organization's account of occurrences or transactions.

• Any forms of addressed and written communication sent and received, including letters, postcards, memorandums, notes, telegrams, or cables.

Usar para: Catalogs

• Enumerations of items, such as a file of bibliographic records or a list of art objects, usually arranged systematically and with descriptive details; may be in book or pamphlet form, on cards, or online. Catalogs are created according to specific and uniform principles of construction and usually under the control of an authority file.

Usar para: Broadsides

• Format in which a large sheet of paper is printed on only one side, and not folded.

• Public notices or paid announcements, especially those in print. For announcements paid for by an advertiser and broadcast on radio or television, use "commercials."

• Books with blank pages used for assembling and presenting a collection, or any unpublished sets of pages that are bound or loose-leaf and have other materials affixed to them or writing or other images made on them. The volume may have been constructed with blank pages that were intended to have materials affixed, or it may have been assembled after having had materials affixed to separate pages.

• Books for recording engagements; usually containing calendars.

• Documents, enforceable by law, embodying agreements between two or more competent parties to do or not to do something, and specifying the terms and conditions of the agreement.

• Reprographic machines that produce copies from a stencil, operated manually, and that use a particular type of ink and chemistry.

• Enumerations of names, addresses, and other data about specific groups of persons or organizations; may appear in alphabetic or graphic format.

• Transcribed collections of numbers, names, or other text indicating tallies of concepts collocated for any particular purpose.