More interiors in glorious detail, painted by Alexander Serebryakov who was also a decorator. Living from 1907 to 1995, he was born in Russia but worked in Paris, France after fleeing there with his family in 1918. He was a grand nephew of Alexandre Benois who did much design work for the Ballets Russes.

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“Le bureau de Robert de Balkany, Place Vendôme.” 1975. Watercolor, gouache, and pencil and ink on paper. Signed and dated on the lower left “A. SEREBRIAKOFF 1975”. © Estate of the artist. Image © 2020 Sotheby’s. Fair use license. via https://www.sothebys.com/en/auctions/ecatalogue/lot.745.html/2016/robert-de-balkany-rue-de-varenne-paris-pf1661
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“The blue living room, Rue de Varenne.” 1978. Watercolor, gouache, pencil and ink on paper. Signed and dated “A. SEREBRIAKOFF 1978” on the lower right. © Estate of the artist. Image © 2020 Sotheby’s. Fair use license. via https://www.sothebys.com/en/auctions/ecatalogue/2016/robert-de-balkany-rue-de-varenne-paris-pf1661/lot.741.html
The main Hall, Château de Groussay. 1942. Watercolor.
The main Hall, Château de Groussay. 1942. Watercolor. © Estate of the artist. Fair use license. via https://parisdiarybylaure.com/the-mythical-chateau-de-groussay-is-revisited-by-alexandre-serebriakoff/
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Billiards room. ca. 1940s. Watercolor. © Estate of the artist. Fair use license. via https://parisdiarybylaure.com/the-mythical-chateau-de-groussay-is-revisited-by-alexandre-serebriakoff/

What to put in the living room if you just struck it rich on the stock market. Plates from the 1926 second edition of “Interiors Deluxe: Illustrated with Twenty Original Designs by Leaders in the Art of Home Decoration.” These taken from the Facebook page of Thomas Hastings who also blogs on 1920s American mansions at https://halfpuddinghalfsauce.blogspot.com/

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“California Living Room. Designed in Spanish-Italian influence it is informal and very livable. The walls are rough plaster in soft color tones. The rug is a hand-tufted carpet and also soft in tone. Hangings are copper-colored mohair damask. This shade is picked up in the mohair upholstered davenport and again in the table scarf. A contrasting and cooler color, “blue,” has been introduced to balance the warmer copper tones. ” John Breuner Company, San Francisco designer and maker. Plate in the public domain due to age. via https://scontent.fphl1-1.fna.fbcdn.net/v/t1.0-9/s960x960/90548101_2725627734331507_534210562012217344_o.jpg?_nc_cat=105&_nc_sid=8024bb&_nc_ohc=xAiPIrfc3SsAX-g1sFg&_nc_ht=scontent.fphl1-1.fna&_nc_tp=7&oh=8e82f98db86a8447839531272d65d5b2&oe=5E9D141A
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“A Massing of color tone values. A room showing how period furnishings may be correct in detail and still thoroughly comfortable to live with, when care is taken to harmonize present day needs with old ideas of architecture and design. Note the subdued and restrained elegance of the one-toned mohair velvet on the furniture.”California Furniture Company, Los Angeles, designer and maker. In the public domain due to age. via https://scontent.fphl1-1.fna.fbcdn.net/v/t1.0-9/s960x960/90449510_2723805567847057_7795137669670895616_o.jpg?_nc_cat=100&_nc_sid=8024bb&_nc_ohc=cZRWGmqgtvUAX-nTJ3E&_nc_ht=scontent.fphl1-1.fna&_nc_tp=7&oh=bbc14bdab0c3313c174f448fbb314d6e&oe=5EA01A00
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“A pretentious living room – Graced with a touch of Spanish renaissance, this room embodies all the elements of comfort and dignified elegance. Note the elaboration of the cornice and the imposing dignity of the sculptured fireplace. Draperies are of antique brocade and the coverings on the furniture are mohair velvet in patterns and colors which harmonize with the air of medieval ornateness.” Plate in the public domain due to age. J. L. Strassel Company, Louisville, Kentucky, designer and maker. In the public domain due to age. via https://scontent.fphl1-1.fna.fbcdn.net/v/t1.0-9/s960x960/90391670_2721996351361312_8250736809609265152_o.jpg?_nc_cat=108&_nc_sid=8024bb&_nc_ohc=Mr2CeSJoSxkAX8yiPfG&_nc_ht=scontent.fphl1-1.fna&_nc_tp=7&oh=69f672d07b22b2eabfdce8509a609e35&oe=5E9C5458
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“Living hall in country house – Tudor with Elizabethan influence. The eight-foot oak paneling with pierced gallery, the tapestry richness at the back, makes a good background to show the fine carving. The stone mantel is of Tudor design and the furniture, covered with mohair velvet, is of a modern adaptation for comfort with the exception of the table which is Elizabethan. The oriental rug is of later date. (and the garden view).”Stanton Studios, New York, designer and renderer. Plate in the public domain. via https://scontent.fphl1-1.fna.fbcdn.net/v/t1.0-9/s960x960/89981533_2721180938109520_7208650629747572736_o.jpg?_nc_cat=103&_nc_sid=8024bb&_nc_ohc=7SUoWBTERmUAX_T_XuO&_nc_ht=scontent.fphl1-1.fna&_nc_tp=7&oh=c2b26c98aba60f68938b96e59999727c&oe=5E9F382B
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“Italian Renaissance Living Room – The walls of this room are intended to be paneled in walnut, finished in soft grey brown tones and the ornamental cornice treated in the effect of wood with the addition of color and gold. The pilasters are in marble effect, the caps harmonizing with the coloring of the cornice. The mantel is stone after an antique model. The curtains are in green velvet. The furniture is carved walnut, harmonizing with the woodwork, and the upholstery is mohair velvet.” Theo. Hofstatter and Company, New York, designer and maker. Plate in the public domain due to age. via https://scontent.fphl1-1.fna.fbcdn.net/v/t1.0-9/s960x960/84057196_2720320638195550_6866330728255193088_o.jpg?_nc_cat=100&_nc_sid=8024bb&_nc_ohc=esonlQYBMcYAX9huz7f&_nc_ht=scontent.fphl1-1.fna&_nc_tp=7&oh=0297047d6a9391aae00151e43e4037a1&oe=5E9CBA9B
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“Adaptable Spanish interior.This interior represents the livable Spanish type, with wood ceiling, rough plastered walls, furniture of dull walnut, upholstered with plain and figured mohair; window draperies of casement cloth and light mohair. Wrought iron lighting fixtures and accessories, with selected rugs of harmonious colors, should produce an artistic and enduring room at a reasonable cost.” Harry L. Moses, New Orleans, Louisiana designer and maker. via https://scontent.fphl1-1.fna.fbcdn.net/v/t1.0-9/s960x960/90442463_2722914257936188_1141395577615941632_o.jpg?_nc_cat=108&_nc_sid=8024bb&_nc_ohc=9oNg7CNSjWgAX9Mv6_D&_nc_ht=scontent.fphl1-1.fna&_nc_tp=7&oh=6c481338900b2ec3fbed93c1c7139c2b&oe=5EA01DC4

Portraits of the interiors of places from when having a portrait made of the rooms in your home was in. What they’d photograph now. These by Danish artist Josef Theodor Hansen (1848-1912).

"Gustaf III:s sengkammer Drottnigholms slott." Signed and dated 1887. Oil on canvas.
“Gustaf III:s sengkammer Drottnigholms slott.” Signed and dated 1887. Oil on canvas. Image © 2008-2020 Bukowski Auktioner AB. Fair use license. via https://www.bukowskis.com/en/lots/884658-josef-theodor-hansen-oil-on-canvas-signed-and-dated-1887
"Kirkeinteriør fra domkirken i Monreale, Sicilien." 1906.
“Kirkeinteriør fra domkirken i Monreale, Sicilien.” 1906. Image source Bruun Rasmussen Auctions. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:Josef_Theodor_Hansen_-_Kirkeinteri%C3%B8r_fra_domkirken_i_Monreale,_Sicilien_-_1906.png
"The Sala delle Quattro Porte, Doge's Palace, Venice."
“The Sala delle Quattro Porte, Doge’s Palace, Venice.” Signed and dated “J. T. Hansen./Venezia 1905-06” on the lower right. Oil on canvas. Image © CHRISTIE’S 2020. Fair use license. via https://www.christies.com/lotfinder/Lot/josef-theodor-hansen-danish-1848-1912-the-sala-6165791-details.aspx
"Pompejiansk interiør." No date.
“Pompejiansk interiør.” No date. In the public domain due to age. via http://viticodevagamundo.blogspot.com/2019/07/pompeii-bt-josef-theodor-hansen.html

Watercolors of Windsor Castle and other royal residences back before Victoria and Albert lived there by English watercolorist Charles Wild. Living from 1781 to 1835, he specialized in painting architecture and exhibited at the Royal Academy.

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“Green Pavilion, Frogmore House.” 1817. Watercolor with touches of bodycolor over pencil with an engraved aquatint version published as plate 29 of W.H. Pyne’s 1819 work “The History of the Royal Residences.” Royal Collection Trust. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Frogmore_House,_Green_Pavilion,_by_Charles_Wild,_1817_-_royal_coll_922121_257043_ORI_0_0.jpg
"Queen's Presence Chamber, Windsor Castle." 1817.
“Queen’s Presence Chamber, Windsor Castle.” 1817. English. Watercolor with touches of bodycolor over pencil with an engraved aquatint version published as plate 7 of W.H. Pyne’s 1819 work “The History of the Royal Residences.” Royal Collection Trust. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Windsor_Castle,_Queen%27s_Presence_Chamber,_by_Charles_Wild,_1817_-_royal_coll_922099_257019_ORI_0.jpg
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“Chapel, Hampton Court Palace.” 1819. Watercolor with touches of bodycolor over pencil with an engraved aquatint version published as plate 33 of W.H. Pyne’s 1819 work “The History of the Royal Residences.” Royal Collection Trust. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Hampton_Court_Palace,_Chapel,_by_Charles_Wild,_1819_-_royal_coll_922125_313698_ORI_2.jpg
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“Throne Room, Carlton House.” ca. 1818. Watercolour with touches of bodycolour and gum arabic over pencil with an engraved aquatint version published as plate 86 of W.H. Pyne’s 1819 work “The History of the Royal Residences.” Royal Collection Trust. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Carlton_House,_Throne_Room,_by_Charles_Wild,_1818_-_royal_coll_922178_257094_ORI_0_0.jpg
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“The King’s Closet, Windsor Castle.” Aquatint engraving, taken from W.H. Pyne’s 1819 work “The History of the Royal Residences.” William James Bennett,, engraver, after Charles Wild. In the public domain due to age. via https://fineartamerica.com/featured/the-kings-closet-windsor-castle-charles-wild.html
"The Ante Chamber to the Throne Room, Carlton House." ca. 1816.
“The Ante Chamber to the Throne Room, Carlton House.” ca. 1816. Watercolour, bodycolour and gum arabic over etched lines. Royal Collection Trust. In the public domain in the United States because the artist died over 70 years ago. via https://www.rct.uk/collection/922179/the-ante-chamber-to-the-throne-room-carlton-house

Pictures of a never-realized interior renovation of the Royal Serbian Castle in Belgrade. World War I came along and so they never happened. Taken from two albums, “Drafts for the royal Hofburg of His Majesty King Peter of Serbia. Belgrade” done between 1912 and 1914 by August Bosse,who owned a major interior design firm in Weimar. These being a selection from the website of Antiquariat Michael Banzhaf who I met at Boston’s antiquarian book fair last fall.

Hall with columns.
Hall with columns. Image © Michael Banzhaf, Tübingen antiquariat-banzhaf.de. Fair use license. via http://www.antiquariat-banzhaf.de/wp-content/uploads/Banzhaf-Katalog-16.pdf
Sitting room.
Sitting room. Image © Michael Banzhaf, Tübingen antiquariat-banzhaf.de. Fair use license. via http://www.antiquariat-banzhaf.de/wp-content/uploads/Banzhaf-Katalog-16.pdf
Room with domed ceiling.
Room with domed ceiling. Image © Michael Banzhaf, Tübingen antiquariat-banzhaf.de. Fair use license. via http://www.antiquariat-banzhaf.de/wp-content/uploads/Banzhaf-Katalog-16.pdf
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Room with yellow wallpaper. Image © Michael Banzhaf, Tübingen antiquariat-banzhaf.de. Fair use license. via http://www.antiquariat-banzhaf.de/wp-content/uploads/Banzhaf-Katalog-16.pdf
Room with blue wallpaper.
Room with blue wallpaper. Image © Michael Banzhaf, Tübingen antiquariat-banzhaf.de. Fair use license. via http://www.antiquariat-banzhaf.de/wp-content/uploads/Banzhaf-Katalog-16.pdf
Room with red carpet.
Room with red carpet. Image © Michael Banzhaf, Tübingen antiquariat-banzhaf.de. Fair use license. via http://www.antiquariat-banzhaf.de/wp-content/uploads/Banzhaf-Katalog-16.pdf

I apologize for the quality of the last  3 which is not as good as I would like. The images are taken via screenshots from a PDF from antiquariat-banzhaf.de and the last 3 are small on the PDF. Great albums, I can find no images of it elsewhere to use.

Room interiors so detailed you could walk right in and sit down. American. Walter Gay, artist (1856-1937). A friend of John Singer Sargent with whom he studied under Léon Bonnat.

"The Fragonard Room at the Frick Collection." 1926.
“The Fragonard Room at the Frick Collection.” 1926. Collection of the Frick, Pittsburgh. In the public domain due to age. via https://artsandculture.google.com/asset/the-fragonard-room/2wEAUIeWAaAFeQ
"Galerie des Bustes, Château du Reveillon." 1907-1909.
“Galerie des Bustes, Château du Reveillon.” 1907-1909. Oil on canvas. In the public domain in the United States because the artist died over 70 years ago. via https://commons.wikimedia.org/wiki/File:Walter_Gay_-_Galerie_des_Bustes,_Chaeau_du_Reveillon.jpg
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“Les Tableaux Le Breau.” ca. 1918. Collection of the Dumbarton Oaks Research Library and Collection. In the public domain in the United States because the artist has been dead over 70 years. via https://www.oceansbridge.com/shop/artists/g/ga-gaz/gay-walter/les-tableaux-le-breau

Watercolors of rooms in the Doge’s Palace in Venice with lots of people wandering around. Italian. Giovanni Battista della Libera, artist (1826-1886).

"La salle de Grand Council." ca. 1850.
“La salle de Grand Council.” ca. 1850. © 1stdibs, Inc. 2019. Fair use license. via https://www.1stdibs.com/furniture/wall-decorations/paintings/giovanni-battista-della-libera-rare-set-of-six-watercolor-views-doges-palace/id-f_16692871/
"Antichambre de la salle du collège." ca. 1850.
“Antichambre de la salle du collège.” ca. 1850. Image © 1stdibs, Inc. 2019. Fair use license. via https://www.1stdibs.com/furniture/wall-decorations/paintings/giovanni-battista-della-libera-rare-set-of-six-watercolor-views-doges-palace/id-f_16692871/
"La salle du collège." ca. 1850.
“La salle du collège.” ca. 1850. Image © 1stdibs, Inc. 2019. Fair use license. via https://www.1stdibs.com/furniture/wall-decorations/paintings/giovanni-battista-della-libera-rare-set-of-six-watercolor-views-doges-palace/id-f_16692871/