The collection consists of materials used by Frederick Fried in his research and writing about folk art and material culture, especially related to Coney Island, Brooklyn, New York. A significant portion of the collection consists of the personal archive of William F. Mangels, which was purchased by Fried in 1955. Mangels was a designer and manufacturer of amusement rides and founder of the American Museum of Public Recreation at Coney Island. Subjects include amusement parks, amusement rides, architecture, bathing pavilions, beaches, beauty contests, carousels, carousel animals, Brooklyn, coin-operated machines, Coney Island, exhibitions, games of chance and skill, hotels, mechanical rides, mechanization, parades, pleasure railways, recreation, roller coasters, sideshows, transportation, and other subjects related to American material culture and popular amusement.