Apple no longer supply any hard copy instruction manuals for either current or past Apple computers. Instead they provide online manuals which can be downloaded from ths site. I am informed by apple that the online manuals cover the whole range of past and present models
Power macintosh 8200 series user guide
There are also some good tutorials for the macintosh at http://www.macinstruct.com/tutorials/index.html
Contact details for apple are as follows