Francis Dubreuil made it in the finalized list of the 300 best roses for cultivation: Les amis des Roses - July - August - 1935. Pages 64-69

If you make the count, the 300 best roses are actually 308!

Approximate translation:

Intro:

A reminder that our Association had decided in 1933, at the Orleans convention, to create a list of the 300 best roses for cultivation.

In 1934, the list was submitted to the Lyon convention.
This year, we reproduce, said list taking into account certain objections.

The proposal received the full approval of the National Horticultural Society, in the person of its Secretary General, H. NOMBLOT, our Vice President.
In 1934, the list was presented to the Lyon Congress.

Our association is well aware, our choice can lead to criticism, especially as countless causes of success or failure are involved (land, climate, exposure, etc ..) This work was done with the utmost care and disinterest. Our friends, who collaborated on this list were based primarily on practical contingencies and wanted above all guide enthusiasts in their choice.

Conclusion:

Our association hopes to be in contact with all members. It is with great pleasure, that we receive all opinions and observations. Thus we thank Messers. FAURAX & NOCTON for having recommended interesting varieties.

As we mentioned at the beginning of this article that our association does not consider this list final, especially as new hybrids would increase the number of best roses. During future conventions this list will be rectified accordingly.