Do you still have your Apple //e? If so, you could to connect it to your iMac via ADTPro:
http://adtpro.sourceforge.net
If you don't get any free offers, see:
http://retrofloppy.com
You can find AppleWriter images suitable for use in an emulator on Asimov:
ftp://ftp.apple.asimov.net/pub/apple_II/images/productivity/word_processing/appleworks/