Columbia subject headings:
Coca industry--Indonesia--History--19th century.
Coca industry--Indonesia--History--20th century.
Coca industry--Netherlands--History--19th century.
Coca industry--Netherlands--History--20th century.
Harvard subject headings:
Coca industry--Indonesia--History--19th century.
Coca industry--Indonesia--History--20th century.
Coca industry--Netherlands--History--19th century.
Coca industry--Netherlands--History--20th century.
Nevinný, Josef.
Reens, Emma.
Princeton subject headings:
Coca industry--Indonesia--History--19th century.
Coca industry--Indonesia--History--20th century.
Coca industry--Netherlands--History--19th century.
Coca industry--Netherlands--History--20th century.