1. G. Pellini, “Isomorphism Between Sulfur and Tellurium,”Atti. Accad. Lincei., 18(1), 701–706 (1909) in Italian. (Equi Diagram; Experimental)
2. G. Pellini, “Mixed Crystals Between Sulfur and Tellurium,”Atti. Accad. Lincei, 18(2), 19–24 (1909) in Italian. (Equi Diagram; Experimental)
3. F.M. Jaeger, “Studies on Tellurium,”Verslay Akad. Wetenschap. Amsterdam, 18, 606–620 (1910) in German. (Equi Diagram; Experimental)
4. M. Chikashige, “Metallographic and Photochemical Investigation of the System, Sulfur-Tellurium,”Z. Anorg. Chem., 72, 109–118 (1911) in German. (Equi Diagram; Experimental)
5. F.M. Jaeger and J.B. Menke, “Binary Systems of Tellurium and Sulfur and of Tellurium and Iodine,”Z. Anorg. Chem., 75, 241–255 (1912) in German. (Equi Diagram; Experimental)