Microfiche of documents in the National Archives of the Netherlands. Accompanying guides are based on inventories compiled by H.B.N.B. Adam (pt. 1) and Senja Kala Yahya (pt. 2). Title from container labels and accompanying guides. Title on microfiche headers for pt. 1: Commissie Opname Suikerfabrieken op Java (Commissie Umbgrove, 1853-1858) ... Title on microfiche headers for pt. 2: Comm. Fabrieksnijverheid in Ned-Indië (1915-1926) : Archief Ir. J. van der Waerden (1904-1940). Accompanying guides have title: Guide & concordance to The colonial economy in the Netherlands Indies ... Documents and guides in Dutch; guides include publisher's preface in English.