[RDA-L] Optional additions in 2.3.2.6

We've been discussing 2.3.2.6 Collective Title and Titles of Individual Contents the other day, and there was some disagreement about its meaning, especially with regard to the optional additions. It seems to me that 2.3.2.6 covers two different cases: #1: A resource containing several works,

Re: [RDA-L] Optional additions in 2.3.2.6

Heidrun said: Summing up this rambling mail, I think it odd that, in a part/whole relationship, some of the titles on the same source of information are treated as titles of manifestation and some are treated as titles of works. In our English/French bilingual situation, we record the titles