NA40 -- General collective biographies
NA190 -- History
NA210 -- Ancient
NA350 -- Medieval
NA499 -- Ottoman, outside of Turkey
NA 500 -- Modern
NA701-1614 -- Architecture of special countries
NA1995 -- Architecture as a profession (Business management)
NA2430 -- Exhibitions. By place
NA2500 -- General works
NA4100 -- Special classes of buildings
General and Civil engineering and Building
TA658 -- Structural design (engineering)
TH -- Construction
TH880 -- Architectural engineering
