tions of this guide, and bibliographies of individual composers appear in their own
sections.
- Abert, Anna Amalie. “Die Oper zwischen Barock und Romantik. Ein Bericht
über die Forschung seit dem zweitem Weltkrieg.” AM49 (1977): 137–193.
A thorough listing of post-1945 publications dealing with 18th- and 19th-
century opera, arranged by country, then by genre. Brief annotations and uni-
fying commentaries make this a useful guide to a large body of literature. - Turner, J. Rigbie. Four Centuries of Opera: Manuscripts and Printed Editions
in the Pierpont Morgan Library. New York: The Library, and Dover, 1983. xii,
132p. ISBN 0-486-246602-7. ML141 .N4 P57.
Photos and commentaries on about 50 items in the library, dating from the
first edition of the Dafne(1598) libretto to the autograph of John Eaton’s
Danton and Robespierre(1978). Most major composers are represented by
sketches, first editions, or other material. With a selective checklist of operatic
manuscripts in the library and printed opera libretti. Bibliography of refer-
ences for the commentaries; no index. - Trowell, Brian. “Libretto.” In NGDO2, 1227–1252.
The bibliography consists of about 1,000 entries, in classified arrangement,
without annotations. Its utility is considerable but diminished by the incom-
plete publication data given. See also MORIand Grout (#78).
4 Opera