Columbia subject headings:
Harvard subject headings:
Architecture, Domestic--Europe
Small houses--Remodeling.
Small houses.
Princeton subject headings:
Architecture, Domestic--Remodeling--Europe, German-speaking--Designs and plans.
Housing, Single family--Remodeling--Europe, German-speaking--Designs and plans.
Small houses--Remodeling--Europe, German-speaking--Designs and plans.