Columbia subject headings:
Architects--Netherlands--Biography.
Gaast, K. van der (Koenraad), 1923-1993.
Harvard subject headings:
Architects--Netherlands--20th century
Architecture--Netherlands--20th century.
Gaast, K. van der (Koenraad), 1923-1993.
Princeton subject headings:
Architects--Netherlands--Biography.
Gaast, K. van der (Koenraad), 1923-1993.