Annotations by Alexey Sklyarenko

Describing his dinner with Ada’s family at the Bellevue Hotel in Mont Roux, Van Veen (the narrator and main character in VN’s novel Ada, 1969) mentions Lemorio, the flamboyant comedian whom Yuzlik (the director of Don Juan’s Last Fling, a film in which Ada played the part of the gitanilla) passionately wanted for his next picture:
 

In VN's novel Ada (1969) Van and Ada find out that they are brother and sister thanks to Marina's old herbaium that they discovered in the attic of Ardis Hall. The last entry in Marina's diary ends in the words "Last day here:"

On Demonia (aka Antiterra, Earth's twin planet on which VN's novel Ada, 1969, is set) Ilemna (a subarctic monastery town) was renamed Novostabia:

In his Commentary to Shade’s poem Kinbote (in VN's novel Pale Fire, 1962, Shade’s mad commentator who imagines that he is Charles the Beloved, the last self-exiled king of Zembla) mentions Stella Lazurchik, an Americanized Kashube who married Sinyavin’s son Blue (Starover Blue’s father):

Asking Van to stop his affair with Ada, Demon Veen (in VN's novel Ada, 1969, Van's and Ada's father) says that he will tell Van about the Black Miller some other time:

A longish pause not unlike a fellow actor’s dry-up, came in response to his well-rehearsed speech.

Finally, Demon: ‘The second fact may horrify you even more than the first. I know it caused me much deeper worry — moral of course, not monetary — than Ada’s case — of which eventually her mother informed Cousin Dan, so that, in a sense —’

Pause, with an underground trickle.

The action in VN's novel Ada (1969) takes place on Demonia, Earth's twin planet also known as Antiterra. Describing Victor Vitry's film Letters from Terra, Van Veen (the narrator and main character) mentions the lovely leading lady, Norwegian-born Gedda Vitry, and compares her to some lewd elf:

Describing Victor Vitry's film Letters from Terra, Van Veen (the narrator and main character in VN's novel Ada, 1969) mentions Athaulf Hindler (also known as Mittler — from ‘to mittle,’ mutilate) who came to power in Germany in 1933:

In an interview to Alfred Appel (included in Strong Opinions, 1974) VN says that the Zemblan crown jewels (vainly looked for by the two Soviet experts) are hidden in the ruins of some old barracks near Kobaltana:

And as a closing question, sir, may I return to Pale Fire: where, please, are the crown jewels hidden?

The action in VN's novel Ada (1969) takes place on Demonia, Earth's twin planet also known as Antiterra. Describing Victor Vitry's film Letters from Terra, Van Veen (the narrator and main character) mentions an unfortunate extra, who played one of the under-executioners and got accidentally decapitated while pulling the comedian Steller, who played a reluctant king, into a guillotinable position:

The action in VN's novel Ada (1969) takes place on Demonia, Earth's twin planet also known as Antiterra. The narrator and main character, Van Veen is the author of Letters from Terra, a philosophical novel (1891). Van's novel was made into a film by Victor Vitry, a brilliant French director: