Columbia subject headings:
City planning--Environmental aspects--Germany--Berlin.
City planning--Environmental aspects--Turkey--Istanbul.
Open spaces--Germany--Berlin.
Open spaces--Turkey--Istanbul.
Harvard subject headings:
City planning--Environmental aspects--Germany--Berlin.
City planning--Environmental aspects--Turkey--Istanbul.
Landscape architecture--Germany--Berlin.
Landscape architecture--Turkey--Istanbul.
Open spaces--Germany--Berlin.
Open spaces--Turkey--Istanbul.
Urban landscape architecture--Germany.
Urban landscape architecture--Turkey--Istanbul.
Princeton subject headings: