jurabib and bibtopic

I am trying to learn how to use bibtopic.sty with jurabib by running 
jbtestbt.tex.  I keep getting error messages that say either:

This is BibTeX, Version 0.99c (Web2C 7.4.5)
The top-level auxiliary file: jbtestbt.aux
I found no \bibdata command---while reading file jbtestbt.aux
I found no \bibstyle command---while reading file jbtestbt.aux
(There were 2 error messages)

or

This is BibTeX, Version 0.99c (Web2C 7.4.5)
The top-level auxiliary file: jbtestbt.aux
The style file: jurabib.bst
I found no \bibdata command---while reading file jbtestbt.aux
Warning--I didn't find a database entry for "medicus"
Warning--I didn't find a database entry for "broxbgb"
Warning--I didn't find a database entry for "musielak"
Warning--I didn't find a database entry for "soergel"
Warning--I didn't find a database entry for "koehler"
Warning--I didn't find a database entry for "erm"
Warning--I didn't find a database entry for "huebner"
Warning--I didn't find a database entry for "jbtesturl"
(There was 1 error message)

I'm using the TeXShop front end for teTeX on Mac OS X, which I 
understand can be tricky with bibtopic.  Any tips would be appreciated.

Jesse Billett



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