Of the three locations, the store in the museum has a phenomenal book selection, as well as posters, art videos, and computer programs. Reproductions of jewelry, statuettes, and other objets fill the gleaming cases in every branch. Subway: 4, 5, 6 to 86th St. Other locations: 113 Prince St., between Greene and Wooster Sts., SoHo, PHONE: 212/614-3000; Subway: R, W to Prince St. 15 W. 49th St., between 5th and 6th Aves., Rockefeller Center, Midtown West, PHONE: 212/332-1360; Subway: B, D, F, V to 47th-50th Sts./Rockefeller Center.