United States. Bureau of the Census., Hartley, E. F., Rolle, A. H. O., & Hartley, E. F. 1. (1922). Fourteenth census of the United States: Manufactures: 1919. Forest products including the lumber industry, pulp-wood consumption and wood-pulp production, forest products consumed in the manufacture of dyestuffs and extracts, and in tanning and wood distillation, and turpentine and rosin. Washington: Govt. Print. Off..

United States. Bureau of the Census., Eugene Fuller Hartley, August H. O. Rolle, and Eugene F. 1879-1961 Hartley. Fourteenth Census of the United States: Manufactures: 1919. Forest Products Including the Lumber Industry, Pulp-wood Consumption and Wood-pulp Production, Forest Products Consumed in the Manufacture of Dyestuffs and Extracts, and in Tanning and Wood Distillation, and Turpentine and Rosin. Washington: Govt. Print. Off., 1922.

United States. Bureau of the Census., Eugene Fuller Hartley, August H. O. Rolle, and Eugene F. 1879-1961 Hartley. Fourteenth Census of the United States: Manufactures: 1919. Forest Products Including the Lumber Industry, Pulp-wood Consumption and Wood-pulp Production, Forest Products Consumed in the Manufacture of Dyestuffs and Extracts, and in Tanning and Wood Distillation, and Turpentine and Rosin. Washington: Govt. Print. Off., 1922.