CORBA API method description/detailed reference

The CORBA API Developer's Reference Guide provides a good overview of the various methods within each of the supported APIs. However there is no detailed description of the methods themselves in any document. For instance, it will be beneficial to see the signature of each method, the difference between _v2, _v3 or even _v5 of any given method. It's not always feasible to review the source code in the IDLs to understand the methods and what they do. Also, having a non-technical definition of the API methods will assist in crafting solutions at the architectural/technical overview level. Does Oracle have