Baar, AH van den
Aula Boeken, 1965
Buku Referensi
Lusin, Natala
Baron's Education, 1992
Buku Referensi
Hinkel, Eli
Baron's, 1994
Buku Referensi
compiled by O.S. Akhmanova ... [and others]
Foreign and National, 1959
Buku Referensi
Wassilieff, A.
Libraire Garnier Freres, [date of publication not identified]
Buku Referensi