• The Objects facet encompasses discrete tangible or visual things that are for the most part produced by human endeavor or otherwise fabricated or given form by human activity. Included are built works, images, written documents, and other works, having utilitarian or purely aesthetic purpose. Natural landscapes are included in this facet too.

• The Components hierarchy contains terms for the constituent parts of objects, including structures, images, and texts. In those instances where a term refers to an element that may sometimes be a component and sometimes stand alone, it is placed with a preferred parent in the most suitable hierarchy. For example,

Use for: office (work space)

• Collective term referring to interior areas that are enclosed by walls or defined by other divisions. Always used in the plural. Collective term referring to interior areas that are enclosed by walls or defined by other divisions. Always used in the plural.

• The Components hierarchy contains terms for the constituent parts of objects, including structures, images, and texts. In those instances where a term refers to an element that may sometimes be a component and sometimes stand alone, it is placed with a preferred parent in the most suitable hierarchy. For example,

• Collective term referring to interior areas that are enclosed by walls or defined by other divisions. Always used in the plural.

Use for: sunflowers (genus), sunflower (genus)

• Genus of flowering plant native primarily to North and South America. The common sunflower is an annual herb with a rough hairy stem 1–4.5 metres (3–15 feet) high, broad, coarsely toothed, rough leaves 7.5–30 cm (3–12 inches) long, and heads of flowers 7.5–15 cm wide in wild specimens and often 30 cm or more in cultivated types. The disk flowers are brown, yellow, or purple; the ray flowers are yellow. The oval hairy leaves are arranged in spirals. The sunflower plant is valuable from

• Refers to various heavier than air aircraft characterized by large-diameter, powered, horizontally rotating wings or blades that can lift the craft vertically and sustain their position in the air.

Use for: history museum (building)

• Buildings for any of a wide variety of museums where collections are amassed and typically presented to give a chronological perspective of the history of a city, town, region, group of people, etc.

Use for: equipment, image-making

• Equipment specifically used in the process of making images.

• Structures of any kind that serve the transportation and transport of goods and passengers.

Use for: Railroads, Cable

• Light rail transit in which railroad-type vehicles are pulled by a moving continuous cable or belt, usually located beneath the railway.

Use for: rail transit system, fixed-guideway transit, rail transit, systems, rail transit , transit, fixed-guideway, transit, rail , transit systems, rail, railway systems, railway system, systems, railway

Use for: light-rail, light-rail transit systems

• Designates rail systems operating on private but not necessarily exclusive right of way, at street level or grade separated, generally on electric power, at medium speeds (10-30 miles per hour), and generally making frequent stops at low platforms or directly at grade-level stations.

• Transit systems consisting of roads laid with rails forming tracks on which locomotives and cars are run for the transportation of passengers, freight, and mail.

• Guideway vehicles that specifically operate on rails.

• Vehicles adapted to the rails of railroads and used to carry passengers, freight, or mail or used for track and roadbed maintenance.

Use for: railroad trains, railway trains , trains, railroad, trains, railway

• Two or more rail transit vehicles physically connected and operated as a unit.

Use for: transportation complex , complexes, transportation

• Buildings or complexes providing transportation facilities or otherwise serving transportation needs.

Use for: air transportation complex, complexes, air transportation

• Complexes containing facilities to accommodate people, functions, and vehicles having to do with air transportation.

• Typically refers to large tracts of open, level land upon which runways, hangars, terminals, and other buildings have been constructed to allow for the takeoffs, landings, loading and unloading, and maintenance of aircraft. For smaller areas that have a runway but no or few additional facilities, see

Use for: institutional building, buildings, institutional

• Built works used by, or in support of, institutions.

• Buildings that house schools providing the first stage of compulsory education, generally extending from grade 1 through grades 6 or 8 and teaching the rudiments of learning; may house a kindergarten.

Use for: residential architecture, residential structure, domestic architecture, residential buildings, residential facilities, domestic facilities, residential housing

• Architecture or other accommodations produced for or adapted to provide shelter and security for the basic physical functions of life for an individual, family, or clan and their dependents, human and animal. Among the functions provided for are a place to sleep, prepare food, eat, and sometimes to work, usually having a door, window, or other source of light and with protection from the weather.

Use for: Apparatus, photographic, Equipment, photographic, Photographic apparatus, Photographic tools and equipment, Photography apparatus, Photography equipment, Photography supplies, Photography supplies, Photography--Equipment and Supplies

• Refers to a broad array of equipment that aids the purpose of capturing images photographically, including cameras, darkroom equipment, and any ancillary objects used specifically to capture and process these images.

Use for: alethoscope

• Optical devices invented by Carlo Ponti in 1860, and patented in 1861. These were used to view photographic transparencies or prints. It was claimed that stereoscopic relief was obtained from a single photograph, though the stereo effect was due to the nature of an illusion caused by the single viewing lens of the alethoscope.

Use for: equipment, photograph viewing

• General term for photographic equipment specifically used for viewing.

Use for: stereoscope , stereo viewer (card type), stereoviewer, stereocard viewer

• Viewers in which pairs of stereoscopic images are mounted and appear as a single, three-dimensional image when viewed. Use for objects designed to view individual stereo cards, usually photographic prints. For the devices used to view wheels of mounted transparencies, marketed as a children's toy from the mid-20th century, use

Use for: megalethoscope

• Apparatuses invented by Carlo Ponti of Venice ca. 1870, for viewing large albumen photographs on thin paper, using a large lens to create the optical illusion of depth and perspective and having candles or kerosene lamps as a source of light. The photographs themselves were translucent, often colored and pierced with pinprick holes to create dramatic visual effects with backlighting, such as that of lights in a night scene.

Use for: Technology, history of

• Study of the development of technology over time.

Use for: Consumer products, Consumers' goods, Goods, Consumer

• Here are entered works on products which are purchased for personal or household purposes.

Use for: Style in dress

Use for: American football, Foot-ball

• Here are entered general works on football games as well as works on American football.

Use for: Dark rooms, Darkrooms, Photographic, Photographic darkrooms, Photography--Dark rooms, Studios, Photographic

• Here are entered works on the construction and physical layout of studios and dark rooms.

Use for: Ice hockey

Use for: Human females, Wimmin, Woman, Womon, Womyn

• Here are entered works on the human female. Works on female organisms in general are entered under [Females.]

Use for: Prizes (Rewards), Rewards (Prizes, etc.)

Use for: Celebrity

• Famous, well-known, or celebrated people.

Use for: Film industry (Motion pictures), Moving-picture industry

Use for: Human males

• Here are entered works on the human male. Works on male organisms in general are entered under [Males.]

Use for: Wood furniture, Wooden furniture