Luitenant Kastens was a Dutch officer of the Netherlands East Indies Army serving in the outposts of Groot-Atjeh during the alliance period of 18931896, recorded by G. B. Hooijer in De verlaten posten in Groot-Atjeh.

Service in the buitenposten (outer posts)

He was identified by G. B. Hooijer among the officers photographed at Biloel, alongside Van Delden.

See Also

Source

De verlaten posten in Groot-Atjeh, door G. B. Hooijer, Gep. Luit.-Kolonel O. I. Leger, met 24 platen (Haarlem: De Erven F. Bohn; Batavia: G. Kolff & Co., 1897). Koninklijk Instituut voor de Tropen, Centrale Boekerij, Amsterdam. OCR-filename: 20260719_140140_DLP-134-De_verlaten_posten_in_Groot_Atjeh_Nemotron-OCR-v2_OCR.txt, p. 12.