The British Library. Bibliographic Services Division
The British Library, 1978
Buku Referensi
editor, Stanley Sadie, Alison Lathan
Macmillan Press LTD, 1994
Buku Referensi
edited by Denis Arnold
Oxford University Press, 1992
Buku Referensi
Scholes, Percy A., author
Oxford University Press, 1933
Buku Referensi
Malm, William P
2000
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