K. Bos: in Videos, Museum, Books, & Articles
These all specifically mention Karel H. Bos and/or show his works.
K. BOS in MUSEUMS
1.) Museum Tempo Doeloe, Malang: Displays photos of buildings by KAREL BOS. (May or may not still display his photo as well.)
Museum may have moved. Owner opened new Museum-themed restaurant:
INGGIL MUSEUM RESTO / RUMAH MAKAN INGGIL
Jl. Zainul Arifin No.53 A-B, Sukoharjo, Kec. Klojen, Kota Malang, Jawa Timur 65119, Indonesia
2.) Kayutangan Heritage Village, Malang: Open‑Air Museum (Includes the TWIN BUILDINGS by Karel Bos.)
kajoetanganheritagevillage.com
K. BOS in VIDEOS
(There are so many more! These are just a sampling.)
1.) YouTube: "Kayutangan - Malang Full Tempo Dulu" 2024 by otografi vlog
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Mentions Karel Bos & has photos of his works at: 11:47 through 13:47 (specifically mentions "Karel Bos" at 12:24 and 13:14), 20:11
2.) YouTube: "Kota Malang Tempo Doeloe #malang #sejarah #jatim" ("Malang City in the Past") 2024 by History Channel
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Mentions Karel Bos &/or has photos of his works. at 0:00 (cover!)
3.) YouTube: "Potret Keindahan Kota Malang Tempo Dulu Tahun 1920-1953" ("Portrait of the Beauty of Malang City in the Past, 1920-1953") 2020 by Bimo K.A.
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Mentions Karel Bos &/or has photos of his works. at: 5:12
4.) YouTube: "Simpang Rajabali Kota Malang" ("Rajabali Intersection, Malang City") by Roads Channel Malang
has a series of video shorts that all feature the current day Twin Buildings.
5.) YouTube: "Gedung Kembar Rajabally" ("RADJABALLY TWIN TOWERS") 2025 by Honjret Malang.
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Shows the works of Karel Bos AND mentions AND shows the name "Karel Bos" at :18
K. BOS in BOOKS
1.) "Malang: Beeld van Een Stad" ("Malang: Image of a City")
by A. van Schaik
(This is the book my aunt Joan Bos gifted to me in 2015.)
Published in 1996 by Asia Maior in Purmerend, Netherlands, this Dutch-language hardcover spans 160 pages and features numerous black-and-white photographs. The book provides an in-depth exploration of Malang’s local history, architecture, and urban development, highlighting the contributions of prominent architects such as Karel Bos. This publication is part of the Indische stedenreeks (Indonesian Cities Series) by Asia Maior, which also includes volumes on Batavia, Soerabaya, Semarang, and Bandoeng. The series is renowned for its rich visual documentation and scholarly insights into Dutch colonial urban history in Indonesia.
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Mentions Karel Bos & has photos of his works.
PAGES: 34, 102, 103, 127, 131, 132

2.) "Arsitektur Di Nusantara" ("Architecture in the Archipelago")
by Obbe Norbruis
​Mentions Karel Bos & has photos of his works.
PAGES: 4 (Table of Contents!); 52, 53, 96, 97
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(See page: "MORE: Mistakes" re: errors on page 96 of this book.

3.) "Kota di Djawa Tempo Doeloe" ("Cities in Java in the Past") by Olivier Johannes Raap
Great book full of wonderful vintage postcards.
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​Mentions Karel Bos & has photos of his works.
PAGES: 311, 312,
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4.) "Malang Tempo Doeloe: Telusuri Dengan Hati"
("Malang Tempo Doeloe: Explore With Your Heart") (2023) by Dwi Cahyono.
Detailed historical data and references. Cultural and tourism guides (addresses, phone, fax, email, GPS coordinates.)
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(I have not personally seen this one, but have been told that it mentions KAREL BOS and/or has photos of his works.)
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5.) "Malang Tempo Doeloe" by Dwidjo Koentjoro.
This book details prominent colonial-era buildings in Malang and identifies Oro-oro Dowo 1 (Welirang 41) as the personal home of Karel Bos. It often notes that K. Bos was both architect and resident of this unique house.
(I have not personally seen this one, but have been told that it mentions KAREL BOS and/or has photos of his works.)
K. BOS in ARTICLES
1.) “Journey Through Time in Malang: Uncovering Forgotten Tales of the Colonial Era,” BY EDU at Java Private Tour
Article includes a detailed section on the works and colonial architecture by architect Karel Bos.
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2.) "Reminiscing Past Loves in Kayutangan"
Kayutangan is unlike any other place. It is a place where warm love blossoms. A heritage feature article confirms that in 1936, Karel Bos designed two twin buildings at the Rajabally crossroads—serving as gateway markers to West Malang.
https://www.kompas.id/baca/english/2019/12/07/reminiscing-past-loves-in-kayutangan
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3.) "Gedung Bioskop Rex, yang Kini Menjadi Bank" ("The Rex Cinema Building, Now a Bank")
Mentions Karel Bos and has photo of, and talks about the REX THEATER that he designed.
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3.) "Album Malang"
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Mentions Karel Bos and shows photo of his works.