1. 25Fri: E. Friederich and L. Sittig, “Production and Properties of Nitrides,”Z. Anorg. Chem., 143, 293–320 (1925) in German. (Equi Diagram; Experimental)
2. 31Agt: C. Agte and K. Moers, “Methods for Producing Pure High-Melting Nitrides and Borides and Description of Some of Their Properties,”Z. Anorg. Chem., 198, 233–275 (1931) in German. (Equi Diagram; Experimental)
3. 39Bra1: A. Brager, “An X-Ray Examination of Titanium Nitride I. Single Crystal Investigation,”Acta Physicochim. U.R.S.S., 10(4), 593–600 (1939). (Crys Structure; Experimental)
4. 39Bra2: A. Brager, “An X-Ray Examination of Titanium Nitride III. Investigation by the Powder Method,”Acta Physicochim. U.R.S.S., 11(4), 617–632 (1939). (Crys Structure; Experimental)
5. 49Cla: H.T. Clark, Jr., “The Lattice Parameters of High Purity α Titanium; The Effects of Oxygen and Nitrogen on Them,”Trans. AIME, 185, 588–589 (1949). (Crys Structure; Experimental)