Books on similar subjects are grouped together in the library. Call numbers are used to locate books on the shelf and identify them by subject. NA Architecture

NA1-60 General
NA100-130 Architecture and the state
NA190-1555.5 History
NA1995 Architecture as a profession
NA2000-2320 Study and teaching. Research
NA2335-2360 Competitions
NA2400-2460 Museums. Exhibitions
NA2500-2599 General works
NA-2599.5-2599.9 Architectural criticism
NA2695-2793 Architectural drawing and design
NA2835-4050 Details and decoration
NA4100-8480 Special classes of buildings
NA4100-4145 Classed by material
NA4150-4160 Classed by form
NA4170-8480 Classed by use
NA4170-(7020) Public buildings
NA4590-5621 Religious architecture
NA7100-7884 Domestic architecture. Houses. Dwellings
NA7910-8125 Clubhouses, guild houses, etc.
NA8200-8260 Farm architecture
NA8300-8480 Outbuildings, gates, fences, etc.
NA9000-9428 Aesthetics of cities. City planning and beautifying