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• Sound recordings on magnetic tape.

• Cassettes of audiotape. According to international standards, the tape is usually 0.15 inches (3.8 millimetres) wide and can carry 4 to 8 tracks.

• Literary compositions prepared for publication as an independent portion of a magazine, newspaper, encyclopedia, or other work.

• Representations that visualize architectural projects in three dimensions, often including a representation of the surrounding site or context, and usually, but not necessarily, built to scale.

• Drawings of architecture and drawings for architectural projects, whether the project was executed or not. The term may also refer to any image in a two-dimensional medium that serves this same purpose, including prints and computer images.

• Books for recording engagements; usually containing calendars.

• Documentation summarizing the activities of an organization over the course of a year.

• Bibliographies with notes added to the entries to elucidate, evaluate, or describe the subject and contents of the entries.

• Biospecimens that are taken from humans or animals, that are used for research or storage.

Use for: Ambrotypes

• Photographs produced by mounting a negative (made by a variant of the wet collodion process) that is on glass with a dark backing, which makes the image appear as a positive. Came into wide use in the United States in the early 1850s.

• Publications, usually annuals, containing a variety of useful facts of miscellaneous nature, or statistical information; originally included projections of coming days, months, and holidays.

• Books with blank pages used for assembling and presenting a collection, or any unpublished sets of pages that are bound or loose-leaf and have other materials affixed to them or writing or other images made on them.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.

• Photographic prints having albumen as the binder; always black-and-white, though they may be toned to a monochrome hue.

• Writing made to evidence the terms and conditions, or the fact, of an accord or arrangement.

• Photographs of the earth taken from aircraft. For photographs taken from beyond the earth's atmosphere, use "space photographs." For photographs of celestial bodies or astronomical phenomena, use "astrophotographs."

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

• Official or formal records outlining administrative details, or events sucha as functions, proceedings, or investigations.