The library at Bellosguardo, the Clark summer home in Santa Barbara, California, c. 1940. The hundreds of bound leather volumes include works by Dante, Goethe, Homer, Virgil, Maupassant, Dickens, Tennyson, Thackeray, Voltaire, Faust, Milton, Cervantes, Conrad. Although no one from the immediate family has visited since the early 1950s, the houseman dusts and turns the books periodically.

A portrait of Andrée Clark, Huguette's older sister, above the marble fireplace in the pine-paneled library in a photo from about 1940 at Bellosguardo, the Clark summer home in Santa Barbara, California. Andrée died in 1919, well before the Clarks bought this property in 1924 and Anna Clark built the mansion in 1933. Portraits of her are in many rooms.

A corner of the library at Bellosguardo, the Clark summer home in Santa Barbara, California, c. 1940.

The bedroom of Anna Clark, Huguette's mother, at Bellosguardo, the Clark summer home in Santa Barbara, California, c. 1940. One of her French pedal harps sits at the foot of the bed. A painting by Sargent hangs between the windows. Photos of Anna's husband, Sen. W.A. Clark, and their elder daughter, Andrée, are on display here. No one from the immediate family has visited Bellosguardo since the early 1950s.

Anna Clark's bedroom about 1940 at Bellosguardo, the Clark summer home in Santa Barbara, California. A painting by Sargent hangs next to the window, showing a woman dancing the tarantella for a man on a rooftop in Capri. A photo of elder daughter Andrée is next to the lamp.

In the bedroom of Anna Clark, Huguette's mother, at Bellosguardo, the Clark summer home in Santa Barbara, California, a painting by Sargent depicts a woman dancing the tarantella for a man on a rooftop in Capri. This photograph is from about 1940.

Portraits of the daughters by Tadé Styka flank a Steinway piano in the music room at Bellosguardo, the Clark summer home in Santa Barbara, California. One of their mother Anna Clark's French pedal harps is at left. No one from the immediate family has visited since the early 1950s. This photo is from about 1940.

Portraits of the daughters flank a Steinway piano in the music room at Bellosguardo, the Clark summer home in Santa Barbara, California. One of their mother Anna Clark's French pedal harps is at left. No one from the immediate family has visited since the early 1950s. This photo is from about 1940.

A portrait of Huguette Clark by Tadé Styka hangs in the music room at Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

Anna Clark's bedroom at Bellosguardo, the Clark summer home in Santa Barbara, California. Photos show Huguette's sister, Andrée.

A painting by Sargent of a woman fishing hangs in Anna Clark's bedroom at Bellosguardo, the Clark summer home in Santa Barbara, California. Photos show Huguette's sister, Andrée, and the sisters together. This photo is from about 1940.

The bureau, or morning room, at Bellosguardo, the Clark summer home in Santa Barbara, California. This was Anna's sitting room on the main floor, with ornate rosewood paneling and baroque panels depicting cherubs. This room is beside one of the patios where the Clarks would sit under umbrellas in the summers of the 1930s and '40s. This is one of the rooms said to have come from the old Clark mansion on Fifth Avenue in New York. This photo is from about 1940.

One of Anna Clark's French pedal harps in the bureau, or morning room, of Bellosguardo, the Clark summer home in Santa Barbara, California. This is one of the rooms said to have come from the old Clark mansion on Fifth Avenue in New York. This photo is from about 1940.

This view greeted guests to Bellosguardo, the Clark summer home in Santa Barbara, California. We're looking out to the reflecting pool behind the main section of the house. This photo is from about 1940.

Detail of the view out to the reflecting pool behind Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

A bedroom at Bellosguardo, the Clark summer home in Santa Barbara, California. No one from the immediate family has visited since the early 1950s. This photo is from about 1940.

Detail of a bedroom, c. 1940, at Bellosguardo, the Clark summer home in Santa Barbara, California.

One of the six bedrooms, c. 1940, at Bellosguardo, the Clark summer home in Santa Barbara, California.

A typical bedroom fireplace with ornate clock in Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

A bedroom, c. 1940, in Bellosguardo, the Clark summer home in Santa Barbara, California.

A bedroom fireplace, c. 1940, in Bellosguardo, the Clark summer home in Santa Barbara, California.

The upstairs hallway in Bellosguardo, the Clark summer home in Santa Barbara, California, c. 1940. The floors in the house are red oak, black walnut, white oak, and marble, with elaborate patterns and borders even in the servants' areas.

Light fixtures in the hallway of Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

A doorway out to the reflecting pool and a dozen orange trees at Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

A doorway out to the reflecting pool and a dozen orange trees at Bellosguardo, the Clark summer home in Santa Barbara, California.

The circular powder room with curved doors on the main floor of Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

A makeup table in the circular powder room of Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

The main hallway, lined with family portraits by Tadé Styka, at Bellosguardo, the Clark summer home in Santa Barbara, California. This portrait of Sen. W.A. Clark was amended by his daughter, Huguette, who signed her name below the artist's. This photo is from about 1940.

The top of the staircase, painted green in a faux copper finish, at Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

The view out to the Santa Ynez Mountains, c. 1940, from a bedroom at Bellosguardo, the Clark summer home in Santa Barbara, California.

The view out to the Santa Ynez Mountains from a bedroom at Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

A bedroom at Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

A bedroom at Bellosguardo, the Clark summer home in Santa Barbara, California, c. 1940.

A bedroom at Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

The upstairs hall at Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

Huguette Clark's artist studio, with a ceiling 17 feet high, at Bellosguardo, the Clark summer home in Santa Barbara, California. One of the French pedal harps played by her mother is at left, and the easel is at right. This photo is from about 1940.

Huguette Clark's artist studio at Bellosguardo, the Clark summer home in Santa Barbara, California. She had a private wing, with its own staircase leading up to her bedroom. One of the French pedal harps played by her mother is at left, and the easel is at right. This photo is from about 1940.

Game tables are ready for chess and cards in the music room at Bellosguardo, the Clark summer home in Santa Barbara, California. Two paintings by Cézanne, a still life of an earthenware pitcher and a portrait of Madame Cézanne in red, hang on the left. On the right are paintings of flowers by Renoir and Van Gogh. At the far end are portraits of the daughters Andrée and Huguette, a Steinway piano, and one of Anna Clark's French pedal harps. This photo is from about 1940.

A table set for chess in the music room at Bellosguardo, the Clark summer home in Santa Barbara, California. The paintings by Cézanne are a still life of an earthenware pitcher, at left, and a portrait of Madame Cézanne in red. Anna Clark traded the portrait for the four Stradivarius instruments she lent to form the Paganini Quartet. This photo is from about 1940.

A bedroom sitting area at Bellosguardo, the Clark summer home in Santa Barbara, California.This photo is from about 1940.

A bedroom sitting area at Bellosguardo, the Clark summer home in Santa Barbara, California. The painting is a Sargent of a woman fishing. This photo is from about 1940.

The stairway about 1940 at Bellosguardo, the Clark summer home in Santa Barbara, California.

The reception room at Bellosguardo, the Clark summer home in Santa Barbara, California. This room near the front door, also known as the fan room, held a case of ladies' fans from France. The ceiling is painted in a whimsical chinoiserie style with characters of animals and people in fanciful situations, such as monkeys with guns hunting deer. This is one of the rooms said to have come from the old Clark Mansion on Fifth Avenue in New York. This photo is from about 1940.

A portrait of General Pershing, who saved the Clarks' beloved France in World War I, in the gentlemen's coat room by the front entry of Bellosguardo, the Clark summer estate in Santa Barbara, California. This photo is from about 1940.

A portrait of General Pershing, who saved the Clarks' beloved France in World War I, in the gentlemen's coat room by the front entry of Bellosguardo, the Clark summer estate in Santa Barbara, California. This photo is from about 1940.

A portrait of one of Huguette Clark's LaChapelle cousins by Tadé Styka hangs in the circular ladies' powder room of Bellosguardo, the Clark summer estate in Santa Barbara, California. This photo is from about 1940.

This portrait of Sen. W.A. Clark was amended by his daughter Huguette, who signed her name below the artist's. It hangs in the main hallway of Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

This portrait of Sen. W.A. Clark was amended by his daughter Huguette, who signed her name below the artist's. It hangs in the main hallway of Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

A bathroom upstairs at Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

A bathroom upstairs at Bellosguardo, the Clark summer home in Santa Barbara, California. This photo is from about 1940.

The dining room at Bellosguardo, the Clark summer home in Santa Barbara, California. This is one of the rooms said to have originally been in the old Clark mansion on Fifth Avenue in New York. Each of the 167 vertical panels is unique, carved from a single piece of black oak. The ceiling has a whimsical border with gargoyles and classical figures. This photo is from about 1940.

The dining room at Bellosguardo, the Clark summer home in Santa Barbara, California. This is one of the rooms said to have originally been in the old Clark mansion on Fifth Avenue in New York. Each of the 167 vertical panels is unique, carved from a single piece of black oak. This photo is from about 1940.

The dining room at Bellosguardo, the Clark summer home in Santa Barbara, California. Each of the 167 vertical panels is unique, carved from a single piece of black oak. Some of the panels open for storage of dishes. This photo is from about 1940.