Here is a link to download an E Type Series I & II parts cat & service manuals in an easy to use JTIS like program.

E Type Series I & II 131mb.rar

It covers The Following cars

3.8 Series I 1961-1964
4.2 Series I 1965-1968
4.2 Series II 1969-1970

To uncompress the files you will need winrar.
Get it free here WinRAR archiver, a powerful tool to process RAR and ZIP files

once uncompressed open the S Type series I & II folder and double click index.exe to start program.