There is, on the ROCOR Studies page, an interview dated June 17 where Fr. Deacon Andrei Psarev discusses the ROCOR's Western Rite with Bishop Jerome of Manhattan (assistant to the Metropolitan for WR Affairs). It is found here in English:
There are also some interesting historical materials on the Russian Church and the Western Rite from the 1920s and later, found in Russian here:
and in English here:
I hope these resources will be helpful.