Opera -- Africa, North -- History. / https://id.loc.gov/authorities/subjects/sh85094900 https://id.loc.gov/authorities/subjects/sh85001631-781 https://id.loc.gov/authorities/subjects/sh99005024 : Petrocelli, Paolo,
2019
1
OPERA America. / https://id.loc.gov/authorities/names/n86846309 : OPERA America.
199-
1
Opera -- America -- 19th century. / https://id.loc.gov/authorities/subjects/sh85094900 https://id.loc.gov/authorities/subjects/sh85004220-781 https://id.loc.gov/authorities/subjects/sh2002012475
2010
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OPERA America -- Directories. / https://id.loc.gov/authorities/names/n86846309 https://id.loc.gov/authorities/subjects/sh99001609 : OPERA America.
Opera audiences -- Research. / https://id.loc.gov/authorities/subjects/sh93009239 https://id.loc.gov/authorities/subjects/sh2002006576
2002
1
Opera audiences -- Research -- United States. / https://id.loc.gov/authorities/subjects/sh93009239 https://id.loc.gov/authorities/subjects/sh2002006576 https://id.loc.gov/authorities/names/n78095330-781
2001
1
Opera audiences -- Russia -- History -- 19th century. / https://id.loc.gov/authorities/subjects/sh93009239 https://id.loc.gov/authorities/names/n80001203-781 https://id.loc.gov/authorities/subjects/sh2002006167 : Fishzon, Anna,
Opera -- Bibliography -- Catalogs. / https://id.loc.gov/authorities/subjects/sh85094900 https://id.loc.gov/authorities/subjects/sh99001239 : American Music Center (New York, N.Y.).
Opera -- California -- San Francisco -- 19th century. / https://id.loc.gov/authorities/subjects/sh85094900 https://id.loc.gov/authorities/names/n79018452-781 https://id.loc.gov/authorities/subjects/sh2002012475 : Martin, George Whitney.
1993
1
Opera -- Canada. / https://id.loc.gov/authorities/subjects/sh85094900 https://id.loc.gov/authorities/names/n79007233-781 : Schafer, R. Murray.
1972
1
Opera -- Canada -- Societies, etc. -- Directories. / https://id.loc.gov/authorities/subjects/sh85094900 https://id.loc.gov/authorities/names/n79007233-781 https://id.loc.gov/authorities/subjects/sh2001008901 https://id.loc.gov/authorities/subjects/sh99001609 : OPERA America.