[ALUG] How to find what fonts are available for enscript/CUPS

I have a Slackware 9.1 system with CUPS installed and working. I'm using enscript to print some files. How can I find out what fonts are available (i.e. what can I put after the -f parameter in enscript)? Both Courier and Times-roman work but there are probably others. I don't think they're the same as the X fonts. In /usr/share/cups/fonts there's just Courier so it must be getting Times-roman from somewhere else. If I could find the somewhere else I might be able to see what other fonts are there. -- Chris Green (chris@areti.co.uk)