C&T II includes the "Natharl'nacna" entities from deep space, which are not in C&M. I have not noticed in other monsters that did not make the transition. The individual magic items in the C&T volumes were less likely to be brought over, although I think the TC includes some duplication. C&T III exists and is available as a PDF made from a scan. Quality is somewhat poor, but readable. I don't think any of it was converted to RMSS/FRP.