RussGus: 2 hits for JAngfel'dt, B.

The Bibliographic Database of German Publication on Russia, the Soviet Union and its Successor States (RussGus) contains about 170.000 records from 1974 to 2003 and collects publications of different document types: books, dissertations and other university publications, articles from journals and newspapers including reviews, maps etc. The lists of personal and geographical subjects are located here and here.

Your search for JAngfel'dt, B. provides 2 hits
1	V.V. Majakovskij i L.JU. Brik: Perepiska 1915-1930 (Briefe 1915-1930). Sostavlenie, podgotovka teksta, vvedenie i komentarii: Bengt JAngfel'dt. (Acta Universitatis Stockholmiensi, Stockholm Studies in Russian Literature, Bd. 13) Kasack, Wolfgang, in: Osteuropa, 34, 1984, S. 229-230 (Rezension)
2	Severjanin, Igor': Pis'ma k Avguste Baranovoj 1916-1938. Zusammenstellung der Texte, Einführung und Kommentare von Bengt Jangfeldt und Rein Kruus. Schlott, Wolfgang, in: Osteuropa, 40, 1990, S. 682-683 (Rezension)

The Bibliographic Database of German Publication on Russia, the Soviet Union and its Successor States (RussGus)

V.V. Majakovskij i L.JU. Brik: Perepiska 1915-1930 (Briefe 1915-1930). Sostavlenie, podgotovka teksta, vvedenie i komentarii: Bengt JAngfel'dt. (Acta Universitatis Stockholmiensi, Stockholm Studies in Russian Literature, Bd. 13)

Severjanin, Igor': Pis'ma k Avguste Baranovoj 1916-1938. Zusammenstellung der Texte, Einführung und Kommentare von Bengt Jangfeldt und Rein Kruus.