Long story short . . . ADB KBDs are very easy to find and very inexpensive as compared to finding the equivalent of my KeyStone adapter from Silicon Valley Bus Company.
http://68kmla.org/forums/viewtopic.php?f=7&t=12214
http://www.highbeam.com/doc/1G1-15319284.html
http://68kmla.org/forums/viewtopic.php?f=7&t=12214
http://www.highbeam.com/doc/1G1-15319284.html