21. f. 18r: Adat menduakan jawi; 22. f. 18v: Adat memerdehekai budak; 23. f. 19r-v: Adat orang berkhatib. Van Ronkel 1921, pp. 260-261, no. 663.

1239. Cod.Or. 12.128 Adat tanah bumi 10 ff.; Dutch laid paper; wm. Concordia, H F DE CHARRO & ZONEN (ca. middle of 19th c.); 21 x 17 cm.; 14 lines per p.; neat writing; signed by Van Ophuysen at Solok, 1 January 1854; Van Ophuysen coll. (6). Adat applicable to the XIII Koto; given in question and answer; divided into 33 soal. Van Ronkel 1921, p. 261-2, no. 666.