Columbia subject headings:
Harvard subject headings:
Antiquarian booksellers--Belgium--History.
Antiquarian booksellers--Belgium--Interviews.
Book collecting--Belgium--History.
Book collectors--Belgium--Biography.
Book collectors--Belgium--History--19th century.
Book collectors--Belgium--History--20th century.
Book collectors--Belgium--History--21st century.
Book collectors--Belgium--Interviews.
Princeton subject headings:
Antiquarian booksellers--Belgium--History.
Book collecting--Belgium--History.