A certain number of letters had been considered as unpublishable.

一部分信件被认为是不能出版的。

youdao

There is a final volume, Selected Letters, brought out by the priceless Richard Ellmann in which he publishes a certain number of them which had been considered as unpublishable in the first tomes.

他在这个信件选集里，出版了一些曾经在前面几大册，被认为是不可出版的信件。

youdao

These problems are all well known in the academic literature and have been dealt with in various ways, making the CRS study unpublishable in any peer-reviewed academic journal.

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