Box 1 Folder 6
with Evgenii Golubovskii
Box 1 Folder 7
with Rene Guerra (with related manuscirpt), 1986-2004
Box 1 Folder 8
with Georgii Kovalenko (with related manuscripts)
Box 1 Folder 9
with Sergei Lushchik, 2000-2005
Box 1 Folder 10
with Alla Toiberman