Looking Back at Ancient America IX Farnsworth, William, and Dewey Farnsworth. "Looking Back at Ancient America IX." Improvement Era 44, no. 8 (1941): 473.
Looking Back at Ancient America II Farnsworth, William, and Dewey Farnsworth. "Looking Back at Ancient America II." Improvement Era 44, no. 1 (1941): 22.
Looking Back at Ancient America VIII Farnsworth, William, and Dewey Farnsworth. "Looking Back at Ancient America VIII." Improvement Era 44, no. 7 (1941): 408.
Looking Back at Ancient America V Farnsworth, William, and Dewey Farnsworth. "Looking Back at Ancient America V." Improvement Era 44, no. 4 (1941): 200.
Looking Back at Ancient America IV Farnsworth, William, and Dewey Farnsworth. "Looking Back at Ancient America IV." Improvement Era 44, no. 3 (1941): 134.
Looking Back at Ancient America XI Farnsworth, William, and Dewey Farnsworth. "Looking Back at Ancient America XI." Improvement Era 44, no. 10 (1941): 600.
Looking Back at Ancient America I Farnsworth, Dewey, and William Farnsworth. "Looking Back at Ancient America I." Improvement Era 43, no. 12 (1940): 708.
Looking Back at Ancient America X Farnsworth, William, and Dewey Farnsworth. "Looking Back at Ancient America X." Improvement Era 44, no. 9 (1941): 537.
Looking Back at Ancient America III Farnsworth, William, and Dewey Farnsworth. "Looking Back at Ancient America III." Improvement Era 44, no. 2 (1941): 77.
Looking Back at Ancient America VI Farnsworth, William, and Dewey Farnsworth. "Looking Back at Ancient America VI." Improvement Era 44, no. 5 (1941): 279.
Looking Back at Ancient America VII Farnsworth, William, and Dewey Farnsworth. "Looking Back at Ancient America VII." Improvement Era 44, no. 6 (1941): 340.