| museums | museums; musea | View |
| musicians | musicians; musici | View |
| natural landscapes | natural landscapes; natuurlandschappen | View |
| observatories | observatories; observatoria | View |
| office buildings | office buildings; kantoorgebouwen | View |
| office buildings by function | office buildings by function; kantoorgebouwen naar functie | View |
| offices (work spaces) | offices (work spaces); kantoren (kamers) | View |
| official residences | official residences; ambtswoningen | View |
| open spaces | open spaces; open ruimten | View |
| open spaces by function | open spaces by function; open ruimten naar functie | View |
| organizations | organizations; organisaties | View |
| orphanages | orphanages; weeshuizen | View |
| palaces | palaces; paleizen | View |
| paper mills | paper mills; papierfabrieken | View |
| pavilions (building divisions) | pavilions (building divisions); paviljoenen (delen van gebouwen) | View |
| pavilions (garden structures) | pavilions (garden structures); tuinpaviljoenen | View |
| pawnshops | pawnshops; pandhuizen | View |
| people (agents) | people (agents); personen | View |
| people by activity | people by activity; personen naar activiteit | View |
| people by occupation | people by occupation; personen naar beroep | View |