Comparative Grammar of the South Seas Languages, 13 pages handwritten, pencil-written; Scheme of the Malay Language handwritten, pencil-written 1-19 and typed 1-10; Philippines and Sunda Languages handwritten, pencil-written 1-7; Summary of Malai, Toba-Batak and Ngadju-Dayak to a South Indonesian Language Family (VGr) handwritten, pencil-written 1-7; Toba-Batak (Grammar) I. Morphology handwritten, written in pencil 1-11, III. Typesetting handwritten, written with pencil 1-21, Affixe handwritten, written with pencil 2 pages , V. Pronomina handwritten, written with pencil 1-6; Ngadju-Dayak List of particles, formantien et al. handwritten, written in pencil 3 pages, (grammar) handwritten, written in pencil 1-21, texts by Sundermann from BKI 66:190ff (1912) handwritten, written in pencil 8 pages; Aus dem Pelajaran Abdoellah (in Ngadju-Dayak?) handwritten, written in pencil 1-2; (cf. grammar) handwritten, written in pencil 20 pages