QRZ! Ham Radio.  May 1996.  Walnut Creek CDROM.
Sample source code for QRZ
path: \src 
-----------------------------------------------
Name           Size      Date    Description
============ ========  ========  ==============
global.bas       1934  06-06-94  Globals (VB)
qrzdemo.exe     10121  06-06-94  Demo VB Program
qrzdemo.frm      7950  06-06-94  Demo VB Source
qrzdemo.hlp      9657  06-04-94  Help file for Demo program
qrzdemo.mak       141  06-06-94  VB Makefile
qrzdll.dll      45544  04-30-95  qrzdll support
qrzdll.hlp      28932  06-06-94  help file for qrzdll
qrztech.txt      6905  10-24-95  Technical Discussion of QRZ data format