Columbia subject headings:
Potapova, I. A. (Irina Alekseevna)
Potapova, I. A. (Irina Alekseevna)--Correspondence.
Sterligov, Vladimir Vasilʹevich, 1904-1973--Correspondence.
Sterligov, Vladimir Vasilʹevich, 1904-1973.
Harvard subject headings:
Potapova, I. A. (Irina Alekseevna)
Potapova, I. A. (Irina Alekseevna)--Correspondence.
Sterligov, Vladimir Vasilʹevich, 1904-1973--Correspondence.
Sterligov, Vladimir Vasilʹevich, 1904-1973.
Princeton subject headings:
Potapova, I. A. (Irina Alekseevna)
Potapova, I. A. (Irina Alekseevna)--Correspondence.
Sterligov, Vladimir Vasilʹevich, 1904-1973--Correspondence.
Sterligov, Vladimir Vasilʹevich, 1904-1973.