I uploaded it to a file sharing service for all to download. You can download the folder, sub-folder or a single file by right clicking and downloading. Featuring of course some files from our friend Dean.
Hollow Earth material
https://mega.nz/#F!phcjSQIa!-CptQp6BDHA5OSMHRgbmNQ
Non Hollow Earth but related material
https://mega.nz/#F!QtUDCaIS!FkOEu9sT1E1ZvIJ-qvqwkQ
Have fun.
--
Keith