There are several of Mrs. Reagan's dresses that were on display at the Reagan Library

Nancy Reagan : A First Lady's Style focused on the roles Mrs. Reagan played in the White House: hostess and ambassador, public servant and spokesperson, and loyal, caring wife.  The exhibition showcased almost 80 of her dresses, suits, and gowns spanning a fifty year timeframe.  The outfits range from her March 4, 1952 wedding dress to the skirt suit she wore to President Reagan's funeral in June of 2004. The exhibition included designs by Geoffrey Beene, Bill Blass, Valentino, James Galanos, Carolina Herrera, Adolfo, Yves St. Laurent, Oscar de la Renta, Jean Louis and Chanel.