You can also order direct from Bruno via PayPal. PM him at "scissorsandplanes" for his latest list and the email address to use.
These are the Waco aircraft listed on the latest list I have (May 2018):
1618. Waco E red-white
1619. Waco E green-green
1620. Waco E yellow-black
1621. Waco UC-72
Don