15EN GlossaryEN SS26EN2 SejNusBanner_2015002_EN2 14EN

SSdeelAirForce cover2021The Corts Foundation proudly online presents the final publication of translations from the Senshi Sōsho series, titled: “The Invasion of the South: Army Air Force Operations and the Invasion of Northern and Central Sumatra”.

Between 1966 and 1980, the War History Office of the National Defense College of Japan (now the Center for Military History of the National Institute for Defense Studies) published the 102-volume Senshi Sōsho (War History Series). The currently published book completes the trilogy of English translations of the sections in the Senshi Sōsho series on the Japanese operations against the former Dutch East Indies (Indonesia). The first volume (The Invasion of the Dutch East Indies, 2015) details the army operations, the second volume (The Operations of the Navy in the Dutch East Indies and the Bay of Bengal, 2018) the navy operations, and this third volume the army air force operations.

The three volumes consisting of 1900 pages provide an unparalleled insight into the Japanese campaign to capture Southeast Asia and the oil fields in the Indonesian archipelago in what was at that time the largest transoceanic landing operation in the military history of the world. It was also the first time in history that air power was employed with devastating effect over such enormous distances, posing complex technical and logistical problems. The task of the air forces in the Southern operation was two-fold: (1) neutralize enemy air forces on the ground and in the air as well as (2) give support to the ground troops’ advance in addition to and over longer ranges than the artillery. The publication will be available in the USA in July 2021 by The University Press of Chicago and through Leiden University Press worldwide through their webshop.

This publication can be obtained by:
The Leiden University Scholarly Publications
[Download PDF >>] [Bestel een exemplaar >>][University of Chicago >>]

lup logo  LeidenUniRepo  Oapen

The publication has been reviewed by Stone&Stone in California (USA) and can be read here >>>

Prior publication of volume 3 and volume 26 of the Senshi Sōsho series has been done by The Corts Foundation in 2015 (Read more >>) and 2018 (Read more >>).

With great sadness we have been recently informed about the sudden passing away of Mona Lohanda in Indonesia. She was an important female historian and archivist in Indonesia, working at the National Archives of Indonesia (ANRI) from 1972 onwards, in particular on the history of Jakarta, formerly known as Batavia. She received several rewards for her contribution to the Indonesian historiography.

MonaLohandaShe was born November 4th in Tangerang, a suburb of Jakarta. After her study at the History department of the University of Indonesia, she continued her postdoc study at the History department, School of Oriental and African Studies, of the University of London. She graduated in March 1974 with her dissertation titled ‘The Kapitan China of Batavia 1937-1942’. By recommendation of the Indonesian historian Harsja Bachtiar Mona studied the history of the Tioghoa-volk in Indonesia.

Herewith a short update on our Senshi Sōsho project, as was published on August 20th on the website of Stone and Stone.

Screen Shot 09 15 20 at 0119 PM“After producing two excellent translations of Japanese histories—The Invasion of the Dutch East Indies and The Operations of the Navy in the Dutch East Indies and the Bay of Bengal—the Corts Foundation is well on the way to completion of the third and final volume on operations in the NEI, The Army Air Force Operations in the Invasion of the South.

Here's a report from the very talented translator, Willem Remmelink:

We are still on schedule and finished last month the translation of the main text. Now working on the maps, indices, etc.

The provisional title will be: The Army Air Force Operations in the Invasion of the South, with an addendum on the Invasion of Northern and Central Sumatra. "The translation covers the main text of Vol. 34 of the Senshi Sōsho minus the chapters on the Philippines, Malaya, and Burma, as well as chapter 4 of Vol. 5 dealing with northern and central Sumatra.

The Articles of Association of the Corts Foundation limit its activities to the area of the former Dutch East Indies, so we reluctantly had to drop the more detailed chapters on the Philippines, Malaya, and Burma. Nevertheless, the remainder of the book (the general sections and the chapters on Singapore, Palembang, and Java) give a good description of the whole campaign.

If all goes well, we hope to publish the book in the first half of 2021.

RolingMDP HTRarticleIn recent years automated text recognition has developed impressively, and now it seems to become applicable to digitized archives. A computer can actually be taught to read and also 17th and 18th century Dutch in scanned VOC archival sources. A breakthrough is in reach in the near future. Texts of old manuscripts made digitally searchable can assist historians and other researchers in disclosing archives.


Not all archives are in prefect condition. Because of archival damage text recognition can be difficult.
Marco Roling (advisor of The Corts Foundation) has conducted research recently on the application of text recognition on archives with damage, and has looked at the effects of ink corrosion and discoloration. This article also takes a first step towards measuring archival damage and the possibilities of improving scans digitally.

The research is public and free, and can be downloaded here >>>



The Corts Foundation

is a Dutch non profit organization that uses the legacy of Kees Corts to perform history and archive projects concerning the former Dutch Indies, especially the period of the Dutch East India company, and end of the colonial period during World War II.





Jakarta, Indonesia
Bangkok, Thailand


also the foundation::
Christiaan G. van Anrooij Fonds









Arsip Nasional Republik Indonesia





National Institute for Military History 






The Corts Foundation provides access to the content of this website, its data sets and owned publications under the creative commons licence.



Audited for reliable management and expenditure




The Corts Foundation regards the preliminary  recommendations by the SBF as applicable,  described in the code version 3.0

by 24 Dec. 2013