Those are the books I would have recommended also and you can get some good information from Fredrico's site
http://old.blades.free.fr/
And some harder to find ones
COURT ARTS OF INDONESIA The Asia Society Galleries 1990, NEW YORK ISBN0878480722
CATALOGUE DE LA COLLECTION D'ARMES ANCIENNES EUROPEENNES ET ORIENTALES 1933, RUMILLY Charles Buttin
Egertons book AN ILLUSTRATED HANDBOOK OF INDIAN ARMS and those of Nepal, Burma, Thailand, Malaya William H. Allen & Co., London, 1880, re-print 1986 ISBN9748745619
SWORDS AND DAGGERS OF INDONESIA Vaclav Solc
HANDS OF TIME: The crafts of Aceh -- Penerbit Djambatan 1989, JAKARTA Barbara Leigh