Columbia subject headings:
Harvard subject headings:
Firmengruppe Gundlach (Hannover, Germany)--History.
Real estate business--Germany--Hannover--History.
Real estate development--Germany--Hannover--History.
Princeton subject headings:
Firmengruppe Gundlach (Hannover, Germany)--History.
Real estate business--Germany--Hannover--History.
Real estate development--Germany--Hannover--History.