I found this in the archives, maybe it will help you narrow the search.. >Date: Wed, 7 Aug 1996 14:58:25 -0400 >From: johnholt@... (John Holt) >Subject: Accounting database > <snip> >1. ZTree, an indexed database, as created by David Hearne and modified by >T.J. Smith and Ray Arachelian. A certain lack of information on the >database. Obvious overkill for my current application but possibly the way >to go when the monthly bookkeeping portion kicks in so that speed is >retained?