78/ 869 [Maps, plans and views]. "Overzichtskaart van den Indischen-Archipel". Col. lithogr. map after H.P.T. WITKAMP, total size 32,8x104,5 cm., scale 1:600.000, w. 3 inset maps of Sumatra and Atjeh, Topografische Inrichting Batavia, 1909. - AND 7 various other (small) col. lithogr. maps, i.a. publ. by E.J. Brill, Leyden.