To sort out:

Don Bucefalo: https://gallica.bnf.fr/ark:/12148/btv1b8437359q/f1.item.r=Th%C3%A9%C3%A2tre-Italien https://gallica.bnf.fr/ark:/12148/btv1b8437360c.r=Th%C3%A9%C3%A2tre-Italien?rk=1824043;2

Simon Boccanegra https://gallica.bnf.fr/ark:/12148/btv1b53117971z/f1.item.r=Th%C3%A9%C3%A2tre-Italien.zoom

Esmeralda: https://gallica.bnf.fr/ark:/12148/btv1b70009304/f1.item.r=Esmeralda%20opera.zoom

Falstaff: https://gallica.bnf.fr/ark:/12148/btv1b531873083/f1.item.r=Hohenstein.zoom and/or https://gallica.bnf.fr/ark:/12148/btv1b531590273/f1.item.r=Hohenstein.zoom


Le roi de Lahore (1877) https://gallica.bnf.fr/ark:/12148/btv1b531791095.r=Le%20roi%20de%20lahore?rk=536483;2 https://gallica.bnf.fr/ark:/12148/btv1b70012442/f1.item.r=Massenet%20opera.zoom https://gallica.bnf.fr/ark:/12148/btv1b7001245g.r=Massenet%20opera?rk=2145933;2

Hérodiade (1881) https://gallica.bnf.fr/services/engine/search/sru?operation=searchRetrieve&version=1.2&startRecord=0&maximumRecords=50&page=1&query=%28gallica%20all%20%22H%C3%A9rodiade%22%29&filter=dc.type%20all%20%22image%22

Manon (1884) https://gallica.bnf.fr/ark:/12148/btv1b53187292r.r=affiche%20manon?rk=42918;4

https://gallica.bnf.fr/ark:/12148/btv1b8438388r.r=Manon%20opera?rk=21459;2

Le Cid (1885) https://gallica.bnf.fr/ark:/12148/btv1b531790982/f1.item.r=Massenet%20opera.zoom https://gallica.bnf.fr/ark:/12148/btv1b70000976.r=Massenet%20opera?rk=1781124;4 https://gallica.bnf.fr/ark:/12148/btv1b531790982.r=Le%20cid%20massenet?rk=42918;4 - High priority


Esclarmonde (1889) https://gallica.bnf.fr/ark:/12148/btv1b53187300h/f1.item.r=Massenet%20opera.zoom

Charles Cambon: : [1] [2], [3] full-colour images, e.g. [4], [5]


More operas. A lot more

Best:

https://gallica.bnf.fr/ark:/12148/btv1b53117713m/f1.item.r=opera%20affiche

Les Huguenots https://gallica.bnf.fr/ark:/12148/btv1b8438000c/f1.item.r=Meyerbeer

Weirdest:

Auber (sure I missed some with him)

Audran

Bellini

Instead, do https://gallica.bnf.fr/ark:/12148/btv1b531169722/f1.item.r=Bellini%20Norma.zoom and https://gallica.bnf.fr/ark:/12148/btv1b53116971m/f1.item.r=Bellini%20Norma.zoom

Berlioz

Bizet

Bruneu

Chabrier, E

Charpentier

David, F. (think I missed some of his)

Debussy

Delibes

Dupont

Erlanger

Fevrier

Flotow

Gounod

Lalo

Lecocq (TONS more)

Litolff

Massenet

Massé

Messager


Meyerbeer


Offenbach (incomplete)

https://gallica.bnf.fr/ark:/12148/btv1b531873350.r=opera%20affiche?rk=21459;2

https://gallica.bnf.fr/ark:/12148/btv1b53167757m.r=opera%20affiche?rk=5815479;2

Perry

Pessard

Planquette

Puccini

Reyer (lots more available)


Saint-Saëns

Salvayre


Semet (& Georges Sand)

Strauss, J.


Strauss, R.

de Suppe

Thomas

Vasseur

Verdi


Wagner

https://gallica.bnf.fr/ark:/12148/btv1b53179090g/f1.item.r=opera%20affiche

Wormser