Ok, here is one solution. I can only upload two of these pdfs but better than nothing. I had to change the extension of these files to .zip. So after you download the file change the extension back to .pdf and you should be able to open it up.
Here is Asian and African Strains, I still have Europe and New World(Whatever the F that means) but the files are two big. I tried changing the extension to .jpg but it says they are not valid photos and wont let me upload. .zip is the only one that worked, unfortunately the file sizes of the other two are above 100k so i cant upload them even as a .zip.
If anyone has a solution to this let me know, i PM a few mods and i'm waiting on an answer.
Enjoy