Where do I find information regarding the fire resistance of archaic materials?

2018 International Building Code Section 721
www.huduser.gov – U.S. Department of Housing and Urban Development Fire Ratings
www.fire.nist.gov – “Building Materials and Structures, Report BMS92” Engineering and Safety Service
American Insurance Services Group, “Fire Resistance Ratings”
2015 International Existing Building Code, Resource A: Guidelines On Fire Ratings of Archaic Materials and Assemblies