The Second Fifty Years : : American Art, 1826-1876 (exhibition Worcester, Worcester Art Museum, 24 September 1976 - 23 January 1977).

MLA

Riggs, Timothy A. The Second Fifty Years : American Art, 1826-1876 (exhibition Worcester, Worcester Art Museum, 24 September 1976 - 23 January 1977). Worcester-Massachusetts: Worcester Art Museum, 1976.

APA

Riggs, T. A. (1976). The Second Fifty Years : American Art, 1826-1876 (exhibition Worcester, Worcester Art Museum, 24 September 1976 - 23 January 1977). Worcester-Massachusetts: Worcester Art Museum.

Chicago

Riggs, Timothy A. The Second Fifty Years: American Art, 1826-1876 (exhibition Worcester, Worcester Art Museum, 24 September 1976 - 23 January 1977). Worcester-Massachusetts: Worcester Art Museum, 1976.