If I'm reading the schema right, speech can include speaker, and speaker can include speech. Is that a mistake, or am I missing something? And if I'm missing something, what do I say in the doc. re. how to use these two? S -- Steve DeRose -- http://www.derose.net Chair, Bible Technologies Group -- http://www.bibletechnologies.net Email: sderose@acm.org or steve@derose.net