That is extremely interesting information, Jeffrey!
Although I missed out on the Olympia coupling of the Kabalevsky 3rd and 4th Symphonies(fortunately now replaced by the CPO set of all four!), I did manage to acquire Lev Knipper's 4th, all five of Vissarion Shebalin's symphonies, Gavril Popov's 1st, 2nd, 5th and 6th and
Boris Tishchenko's 5th Symphony and Violin Concerto No.2
The orchestral Weinberg on Olympia are/were-
Symphony No.2 for string orchestra(1945-46) coupled with Chamber Symphony No.2 for string orchestra and timpani: Umea Symphony
Orchestra/Thord Svedlund) (both recorded 1998) OCD 652(Vol. 16)
Symphony No.4(1961): Moscow Philharmonic Orchestra/Kirill Kondrashin(recorded 1974) coupled with Violin Concerto: Leonid Kogan with
the same orchestra and conductor(recorded 1961) and the Rhapsody on Moldavian Themes: USSR Academic Symphony Orchestra/
Yevgeny Svetlanov(recorded 1976) OCD 622(Vol. 10)
Symphony No.6(1963): Moscow School Boys Choir and Moscow Philharmonic Orchestra/Kirill Kondrashin(recorded 1974)coupled with
Symphony No.10(1968): Moscow Chamber Orchestra/Rudolf Barshai(recorded 1970) OCD 471 (Vol. 1)
Symphony No. 7 for string orchestra and harpsichord(1964): Moscow Chamber Orchestra/Rudolf Barshai(recorded 1967), coupled with
Symphony No.12(In memory of Dmitri Shostakovich)(1976): USSR TV and Radio Symphony Orchestra/Maxim Shostakovich(recorded
1979) OCD 472 (Vol. 2)
Symphony No.14(1977)(recorded 1980) coupled with Symphony No. 18 "War-there is no word more cruel" for orchestra and chorus(1984)
(recorded 1985): USSR Radio Symphony Orchestra/Vladimir Fedoseyev OCD 589 (Vol. 6)
Symphony No.17 "Memory"(1982) (recorded 1984) coupled with Symphonic Poem "The Banners of Peace"(recorded 1986): USSR Radio
Symphony Orchestra/Vladimir Fedoseyev OCD 590 (Vol. 7)
Symphony No. 19 "The Bright May"(1985)(recorded 1986) coupled with Chamber Symphony No.3(recorded 1991): USSR Radio Symphony
Orchestra/Vladimir Fedoseyev OCD 591 (Volume Eight)
Chamber Symphony No.1 for string orchestra(1986) coupled with Chamber Symphony No.4 for string orchestra and clarinet(1992): Umea
Symphony Orchestra/Thord Svedlund (both recorded 1998) (Vol. 15).
Alto has just reissued this disc.I have all of these

In addition, Vol. 3 of the series included the Ballet Suites from "The Golden Key" while Vols. 4-5, 9, 11-14 consisted of chamber and instrumental music(sorry...too much to list here

)
That would be a tremendous amount for Alto to reissue-even if they could
