1. 28Oft: I. Oftedal, “X-Ray Investigation of SnS2, TiS2, TiSe2, TiTe2,”Z. Phys. Chem., 134, 301–310 (1928) in German. (Equi Diagram; Experimental)
2. 34Pic: M. Picon, “On the Sulfides of Titanium,”Bull. Soc. Chim., 1, 919–926 (1934) in French. (Equi Diagram; Experimental)
3. 37Bil: W. Biltz and P. Ehrlich, “The Sulfides of Titanium,”Z. Anorg. Chem., 234(2), 97–116 (1937) in German. (Equi Diagram; Experimental)
4. 49Ehr: P. Ehrlich, “X-Ray Investigation of Titanium Sulfides and Vanadium Monotelluride,”Z. Anorg. Chem., 260, 13 (1949) in German. (Equi Diagram; Experimental)
5. 53Gol: R.M. Goldhoff, H.L. Shaw, C.M. Craighead, and R.I. Jaffee, “The Influence of Insoluble Phases on the Machinability of Titanium,”Trans. ASM, 45, 941–971 (1953). (Equi Diagram; Experimental)