Supplemental inputs and data sources for the paper Dynamics, Entanglement, and the Classical Point in the Transverse-Field XXZ Chain Cs2CoCl4 by Pontus Laurell, Allen Scheie, Chiron J. Mukherjee, Michael M. Koza, Mechtild Enderle, Zbigniew Tylczynski, Satoshi Okamoto, Radu Coldea, D. Alan Tennant, and Gonzalo Alvarez