This appendix presents a comprehensive historical and philosophical investigation of the precursors to the Yakushev Unified Coordination Theory (YUCT) — a new fundamental theory that posits the ontological primacy of coordination over matter, spacetime, and fields. The author traces the evolution of coordinative intuition from Gottfried Wilhelm Leibniz's monadology, through Nikola Tesla's radiant ether and Mark Twain's mental telegraphy, to the Einstein–Podolsky–Rosen paradox and contemporary philosophical concepts. The work demonstrates a structural isomorphism between the intuitions of past thinkers and the formal apparatus of YUCT, including the Dictionary–Index–Resonance (D+I·R) triad and the YPSDC protocol. Special attention is devoted to a critical analysis of the 70-year "detour" of mainstream physics, associated with the adoption of the Copenhagen interpretation of quantum mechanics and the abandonment of the coordination paradigm. A diagnostic tool of "coordination maturity" for evaluating philosophical systems is introduced. The work introduces the concepts of relational complexity and the cascade of errors as a path to unity, and provides an analysis of the social, economic, and political implications of coordination theory. It is demonstrated that the universal error law \(\varepsilon = \kappa_c \alpha K_{\mathrm{eff}}^{-\beta}\) with exponent \(\beta = 2/3 \approx 0.67\) holds across more than 50 orders of magnitude, confirming the scale invariance of coordinative processes. The work offers a new perspective on the unity of science, transcending traditional disciplinary boundaries and opening a path toward post-ideological engineering of social systems. The appendix includes chronological tables, terminological convergence, and a detailed analysis of the philosophical, theological, and aesthetic dimensions of coordination.