Below you can find logos, similar to the Java Duke.

Elizabeth Duke Elizabeth Duke  vector
Java University Program Java University Program vector
Java Spektrum Java Spektrum vector
Java Report Java Report vector
Java Developer's Journal Java Developer's Journal vector
JavaWorld JavaWorld vector
Duke Duke vector
INJAVA INJAVA  vector
Javaanse Jongens Eetcafe Javaanse Jongens Eetcafe vector
Java Developer's Journal 68 Java Developer's Journal 68 vector
DUKEPOWR DUKEPOWR vector
Duke Power Duke Power vector
Duke Blue Devils 168 Duke Blue Devils 168 vector
Elizabeth Duke Elizabeth Duke vector
Java Developer's Journal 69 Java Developer's Journal 69 vector