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Galerie Buchholz is an art gallery specializing in international contemporary art with exhibition spaces in Cologne, Berlin and New York City. The gallery was founded in Cologne in 1986 by Daniel Buchholz, and today is run jointly with Christopher Müller.

970 Park Avenue is a luxury residential housing cooperative in Manhattan, New York City. 970 was designed by the New York architectural firm of Schwartz & Gross and built by the developers Bing & Bing. It is located on Park Avenue and East 83rd Street. The 12-story building was erected in 1912. In 1940, the bank that owned the building reconfigured the building, altering the original spacious apartments into smaller units. In 1987, it was converted to a cooperative by Martin J. Raynes; Raynes added two triplex penthouses with "greenhouse" studies, circular staircases and large terraces. The building stands at 132 feet (40 m) tall.

The New York Society Library (NYSL) is the oldest cultural institution in New York City. It was founded in 1754 by the New York Society as a subscription library. During the time when New York was the capital of the United States, it was the de facto Library of Congress. Until the establishment of the New York Public Library in 1895, it functioned as the city's library as well. It has been patronized by a wide variety of literary and political figures, from George Washington to Wendy Wasserstein. Its special collections include books from the libraries of John Winthrop and Lorenzo Da Ponte. Since 1937, the library has been housed in the former John S. Rogers Mansion at 53 East 79th Street on Manhattan's Upper East Side, the fifth location in its history. The stone Renaissance Revival building was one of the earliest recognized as a New York City landmark in 1967, and it was further listed on the National Register of Historic Places (as the John S. Rogers House) in 1983 in recognition of both its architecture and the library's historic role in the city. The library's collection of 300,000 volumes includes audio recordings and periodicals, as well as books on a broad range of subjects. It is open for browsing and research by the general public; only members may borrow books or use the upper floors. The library is a non-profit organization supported primarily by its membership fees and endowment.

998 Fifth Avenue is a luxury cooperative on the Upper East Side of Manhattan, New York City located on Fifth Avenue at the northeast corner of East 81st Street.

903 Park Avenue is a 17-story residential building on Park Avenue on the Upper East Side of Manhattan, New York City.

The Katharina Rich Perlow Gallery is an art gallery in New York City that was involved in the New York art market of the 1980s and 1990s. The gallery was founded by Katharina Rich Perlow on New York's Upper East Side in 1985, moved to SoHo in 1988, and relocated to the Fuller Building in 1999. Throughout its history, the gallery mounted solo exhibitions for many American artists including Milton Avery, Sally Michel Avery, Robert Goodnough, John Ferren, Ian Hornak, and Irving Kriesberg, among others. Frequently included in group exhibitions were artworks by Jackson Pollock, Alfonso Ossorio, Milton Resnick and Helen Frankenthaler.Today the company continues to be operated by Katharina Rich Perlow, although no longer curates exhibitions and is operated as a private fine art brokerage, located at 40 East 84th Street, New York, New York 10028.

995 Fifth Avenue is a 16-story co-op apartment building at 995 Fifth Avenue and East 81st Street on the Upper East Side of Manhattan, New York City, across Fifth Avenue from Central Park and the Metropolitan Museum of Art. It was constructed in 1926 as The Stanhope Apartment Hotel and designed by Rosario Candela. The building was converted to a residential co-op with 26 units in 2005 and renamed The Stanhope. It has since been renamed simply 995 Fifth Avenue.

Kraushaar Galleries is an art gallery in New York City founded in 1885 by Charles W. Kraushaar, who had previously been with the European art gallery, William Schaus, Sr. The Gallery's first location on Broadway at 33rd Street where it showed Dutch and French Barbizon paintings, as well as works by Courbet, Corot, Whistler and Fantin-Latour. When John Kraushaar, Charles's younger brother, joined the business the gallery also began showing modern French painters: Soutine, Matisse, Braque, Derain, Gauguin, Rodin, Roualt, Guys, Modigliani, Redon, Segonzac, Picasso, Van Gogh, and other late 19th- and early 20th-century artists. In 1901, at their new gallery at 260 Fifth Avenue, they exhibited the work of the Swiss-born American society painter Adolfo Müller-Ury. Later John Kraushaar began showing works by American artists, particularly Robert Henri and his circle, and the group known as The Eight, Henri, John Sloan, William Glackens, Everett Shinn, George Luks, Maurice Prendergast, Ernest Lawson and Arthur B. Davies. He also exhibited the work of Guy Pène du Bois and Charles Prendergast. After his brother's death in 1917, John Kraushaar continued the business. When John fell ill in the 1930s, his daughter, Antoinette M. Kraushaar, took over affairs. Upon his death in 1946, she became the owner of the gallery, a role she filled until 1988. In the 1940s newer American painters were added. Among them were John A. Hartell. The gallery is now located at 74 East 79th Street and functions as a private gallery, retaining its focus art of the first half of the twentieth century.

Loyola School is a Jesuit high school on the Upper East Side of New York City, founded in 1900 by the Society of Jesus. Originally a Catholic boys school, Loyola became coeducational in 1973, becoming the only Jesuit co-ed college preparatory high school in the Tri-State Region. It has a student enrollment of two hundred, with an average class size of fifteen students. The school is located two city blocks east of Central Park and Museum Mile on 83rd Street and Park Avenue in Manhattan. St. Ignatius Church is in the same complex and is used for various school functions. The church is listed as a NYC landmark and the complex is listed as a National Historic Place. St. Ignatius Loyola School is an elementary school that also shares the complex but there is no official link between the schools.

The Benjamin N. Duke House, also called the Duke–Semans Mansion and the Benjamin N. and Sarah Duke House, is a landmarked mansion located at 1009 Fifth Avenue at East 82nd Street in the Upper East Side of Manhattan, New York City. It was built in 1899-1901 and was designed by the firm of Welch, Smith & Provot in the Beaux-Arts style.

The William Salomon House was a mansion located on 1020 Fifth Avenue in Manhattan, New York City. It was constructed for William Salomon, Sr.

1020 Fifth Avenue is a luxury housing cooperative in the Upper East Side of Manhattan, New York City. It is located on the northeast corner of 83rd Street and Fifth Avenue, across the street from the Metropolitan Museum of Art's Fifth Avenue building. It is part of the Metropolitan Museum Historic District. Along with 1040 Fifth Avenue, 998 Fifth Avenue and 1016 Fifth Avenue, it is considered among the most prestigious residential buildings in New York City and is frequently included in lists of top residential buildings. Sales of units in the building are often reported by the press. Former New York Times architectural critic Carter Horsley describes the building as "[o]ne of the supreme residential buildings of New York". The building is profiled in multiple architectural books, including in Windows on the Park: New York's most prestigious properties on Central Park, where it is described as "one of the city's most exclusive addresses".1020 Fifth Avenue was completed in 1925 and was designed by Warren and Wetmore. The building has 13 stories, consisting mostly of full floor units or duplexes. The building occupies a corner site that was once the site of the mansion of Civil War general Richard Arnold. The building's exterior has neo-Italian Renaissance style ornamentation with a three-story high rusticated base. The main entrance to the building faces East 83rd Street rather than Fifth Avenue. An entrance on Fifth Avenue provides access to a maisonette unit, which has its own address of 1022 Fifth Avenue. The building's floors are designed in a staggered manner as to allow six of the apartments to have large salons that are 20' 9" by 40' 2" in floor area with extra high ceilings ranging from fourteen to eighteen feet (see layout diagram).