Mussorgsky's Boris (4 letters)

Pitcher Hershiser (4 letters)

Soviet wire service (4 letters)

___ Mountains (4 letters)

Lake in the U.S.S.R. (4 letters)

Skater Cohen (5 letters)

Russian newspaper (8 letters)

Borodin's operatic prince (4 letters)

Musical Horne (4 letters)

Orel's stream (3 letters)

Jai ___ (4 letters)

___ standstill (3 letters)

A Cassini (4 letters)

Enterprise warnings (9 letters)

Boris Pasternak was one (9 letters)

1970's policy (7 letters)

Pelvic bones (4 letters)

Lao-___ (3 letters)

Arp's art (4 letters)

Initials in poetry (3 letters)