1. 10Wah: W. Wahl, “Cobalt-Gold Alloys,”Z. Anorg. Chem., 66, 60–72 (1910) in German. (Equi Diagram; Experimental; Indicates presence of a phase diagram)
2. 37Has: U. Hashimoto, “Relation Between the Allotropic Transformation of Cobalt and Some Additional Elements,”J. Jpn. Inst. Met., 1, 177–190 (1937) in Japanese. (Equi Diagram, Thermo; Experimental; Indicates presence of a phase diagram)
3. 37Hil: E. Hildebrand, “Dia- and Para-Magnetism in Metal Mixed Crystal. V. Properties of Dissolved Cobalt and Rhodium,”Ann. Phys. (Leipzig), 30, 593–608 (1937) in German. (Equi Diagram; Experimental)
4. Indicates key paper50Rau: E. Raub and P. Walter, “Alloys of Gold with Cobalt and Iron,”Z. Metallkd., 41(8), 234–238 (1950) in German. (Equi Diagram, Crys Structure; Experimental; Indicates presence of a phase diagram)
5. 52Kos: W. Koster and E. Horn, “The Influence of Elements Silver, Gold, Cadmium, Gallium, Indium, Germanium, Bismuth, Selenium and Tellurium on the Polymorphic Transition of Cobalt,”Z. Metallkd., 43(9), 333–334 (1952) in German. (Meta Phases; Experimental)