The Data in this folder are from this publication: 2021 Hofmeister, A.M. Dependence of Heat Transport in Solids on Length-scale, Pressure, and Temperature: Implications for Mechanisms and Thermodynamics. Materials IN PRESS open access, published Jan 21 2021 article webpage: Abstract: https://www.mdpi.com/1996-1944/14/2/449 See Crystals Database File in metadata folder for complete list of Crystal samples/compositions and references… and likewise for glasses and metals See also the folders on Book ch 7 and Book ch 9 for more information on samples. Data collected at Washington University, St. Louis, MO. This research was partially funded by the National Science Foundation, grant number EAR-1524495. The publication is open access, so the tables and figures are not repeated here. The files are for figures 4, 7, 8, 10, and 11. Each file lists D vs L at 298 K or D vs T with the columns labeled with the sample name and thickness in mm. Please see the legends in the figures, which have these same column headings.