1. 27Ruh: J. Ruhrmann, “Magnesium-Manganese Alloys,” quoted as private communication by W. Schmidt,Z. Metallkd., 19(11), 455 (1927) in German. (Equi Diagram; Experimental; Indicates presence of a phase diagram)
2. 29Bak: H.E. Bakken and R.T. Wood,American Society for Steel Treating Handbook, The ASM for Steel Treating, Cleveland, OH (1929). (Equi Diagram; Review)
3. 29Gan: J.A. Gann, “Treatment and Structure of Magnesium Alloys,”Trans. Met. Soc. AIME, 83, 309–332 (1929). (Equi Diagram; Review)
4. 30Pea: G.W. Pearson, “Magnesium-Manganese Alloys,”Ind. Eng. Chem., 22(4), 367–370 (1930). (Equi Diagram; Experimental)
5. 31Man: W. Mannchen, “Heat Conductivity, Electric Conductivity and Lawrence Number of Light Alloys,”Z. Metallkd., 23, 193–196 (1931) in German. (Thermo; Experimental)