Sahopalambha by Jitāri
Photographs of a manuscript from Ngor monastery are kept in the Bihar Research Society, Patna. See Sāṅkṛtyāyana 1937 p. 56, no. 41 ("Sahopalambhāsiddhi") and Thakur 1957 introduction, p. 11 ("Sahopalambhaprakaraṇa").
It seems there was a Tibetan translation of this work, which is however not preserved. Go ram pa bSod nams seng ge mentions a lHan gcig dmigs nges by Jitāri (see van der Kuijp 1979 note 11).