Koen van der Biest has created a large overview with available instructions of each set and languages. This document is in .pdf format below or via this link (.pdf format).
If you have any additions, please send them to the e-mail adres at the top of the pdf file to make the overview more complete.
Information on the languages and numbering codes of the instruction is in the pdf below or via this link (.pdf format)(as well as much more information on the names of characters and boxes).
There is also a document showing the names of the Fabuland characters in many languages Names of characters