Are the bvw-f2004 models still a part of panda3d?

I’m trying to run some of the demonstrations in the manual, but I’m getting errors that some models don’t exist.
https://www.panda3d.org/manual/?title=Simple_Environment_Mapping&oldid=2480

OSError: Could not load model file(s): [‘bvw-f2004–carnsx/carnsx.egg’]

Are these files still available for download?