|
|
|
|
Opera-reading Ensemble, / instrumentalist
|
2017?
|
1
|
|
|
Opera Română (Bucharest, Romania) / http://id.loc.gov/authorities/names/n87832899
|
1997
|
1
|
|
|
Opera Română (Bucharest, Romania). Orchestra.
|
|
3
|
|
|
Opéra royal de Versailles,
|
|
3
|
|
|
Opéra royal de Versailles. Orchestre,
|
|
3
|
|
|
Opéra royal de Wallonie,
|
|
6
|
|
|
Opéra royal de Wallonie. Chœurs, / performer
|
2013
|
1
|
|
|
Opéra royal de Wallonie. Maitrise, / singer
|
2016?
|
1
|
|
|
Opéra royal de Wallonie. Orchestre,
|
|
2
|
|
|
Opera Sacra Buffalo,
|
|
2
|
|
|
Opera Saratoga. Orchestra, / instrumentalist. http://id.loc.gov/authorities/names/no2018133130
|
2018
|
1
|
|
|
Opera Society of Trinidad & Tobago, / performer
|
1982
|
1
|
|
|
Opera Society of Washington,
|
|
3
|
|
|
Opera Spanga, / production company
|
2014
|
1
|
|
|
Opera Stage (Opera company). Chorus.
|
|
2
|
|
|
Opera Stravagante, / performer. http://id.loc.gov/authorities/names/no2014133939
|
2014
|
1
|
|
|
Opera Swing Quartet,
|
|
2
|
|
|
Opera Theater Konnyakuza Ensemble, / instrumentalist
|
1999
|
1
|
|
|
Opera Theatre of Rochester. Chorus. / Performer.
|
1999
|
1
|
|
|
Opera Theatre of Saint Louis, / sponsoring body. http://id.loc.gov/authorities/names/no97017289
|
2015
|
1
|
|
|
Opera Trionfo, / performer. http://id.loc.gov/authorities/names/no2010190165
|
2010
|
1
|
|
|
Opera voor Vlanderen, / performer. http://id.loc.gov/authorities/names/no2002015412
|
2017
|
1
|
| |
|
|
1
|
|
|
OperaEnsemble, / instrumentalist. http://id.loc.gov/authorities/names/no2019107253
|
2017
|
1
|
|
|
Operah ha-Yiśreʼelit. / http://id.loc.gov/authorities/names/nr99018809
|
2013
|
1
|
|
|
OperaInCanto. / http://id.loc.gov/authorities/names/n2006069202
|
2003
|
1
|
|
|
Operalaboratorio. / Coro. http://id.loc.gov/authorities/names/n2004076595
|
1999
|
1
|
|
|
Operama Symphony Orchestra, / instrumentalist
|
2018?
|
1
|
| |
|
|
1
|
|
|
Operassion (Musical group), / instrumentalist
|
2009
|
1
|
|
|
Operating Room Nurses' Association of Canada
|
2012-
|
1
|
|
|
Operating Room Nurses of Canada
|
2011
|
1
|
|
|
Operation Blazing Sword
|
2021
|
1
|
|
|
Operation Lifeline (Toronto, Ont.)
|
1981
|
1
|
| |
|
|
1
|
| |
|
|
1
|
|
|
Operational and Law Enforcement Workforce Resiliency (Workshop) (2011 : Washington, D.C.) / http://id.loc.gov/authorities/names/n2014187209
|
2012
|
1
|
| |
|
|
1
|
|
|
Operational Research Club (Great Britain)
|
1952
|
1
|
|
|
Operational Research Society (Great Britain)
|
|
8
|
|
|
Operational Research Society of India
|
|
2
|
|
|
Operational Research Society of India. Conference (54th),
|
2023
|
1
|
|
|
Operational Research Society of New Zealand
|
1984-
|
1
|
|
|
Operational Research Society of Singapore
|
1984-
|
1
|
|
|
Operations and Policy Research, Inc. / http://id.loc.gov/authorities/names/n50003484
|
|
1
|
|
|
Operations and Project Management: Strategies and Trends (Conference) (2021 : Rostov-na-Donu, Russia ; Online)
|
2022
|
1
|
|
|
Operations, Committee on Alternatives for Inspection of Outer Continental Shelf
|
1900
|
1
|
|
|
OPERATIONS, FUTURE OF PEACE
|
|
1
|
|
|
Operations Research Incorporated. / http://id.loc.gov/authorities/names/n81128352
|
|
1
|
|
|
Operations Research Society of America
|
|
10
|
 Add Marked to Bag
Add All On Page
 Add Marked to My Lists
|