Kebijakan pemeritah kolonial Hindia Belanda dalam melestarikan alam di Hindia Belanda 1900-1942 = The colonial goverment's policy of nature conservation in Dutch East Indies 1900-1942

Dinamika Pendidikan di Hindia Belanda Pada Masa Awal Penerapan Wilde Scholen Ordonantie (1932) Berdasarkan Surat Kabar di Hindia Belanda = Dynamics of Education in the Dutch East Indies in the Early Period of the Implementation of the Wilde Scholen Ordonantie (1932) Based on Newspapers in the Dutch East Indies

Gambaran Bali Dalam Brosur Promosi Pariwisata Hindia Belanda Tahun 1920-1940 = The overview of Bali in Dutch East Indies tourism brochure 1920-1940

Kegiatan perdagangan Jepang di Hindia Belanda (Indonesia) pada tahun 1920-1940 = Japanese trade activities in the dutch East Indies (Indonesia) in 1920 to 1940

Petualangan Anak di Hindia-Belanda dalam Weg uit Indie (2012) = Children Adventure in Dutch-East Indies in Weg uit Indie (2012)