Census of Topos, October 1961: A green foolscap folder, 34 x 21.5 cm, labelled: 'The Australian National University: Topos - Kutai An: demographic census and notes, Oct 1961'. 20ff., tabulated in Jaspan's hand, together with a sketch map of Tapus prepared by Asst. Sajadi, dated 30 October 1961.