National silicosis conference ... : Final report[s] of the committee[s].

List of references in parts 1 and 2.

The charter of the Albany and Greenbush Bridge Company : and a statement of its claims on the public interest in connection with the Boston, Hoosac Tunnel and Albany Railroad.

"J.W. Gascoigne, secretary."

Credit of the nation in 1860 and 1876; the Democratic platform and Tilden's letter answered.

Letter signed: Chales F. Conant, Asst. Secretary.

Bulletin of the scientific laboratories of Denison University.

Title varies slightly.

Fifteenth census of the United States: 1930. Construction industry, 1929. State series ... Statistics for state, counties and principal cities.

At head of title: U.S. Department of Commerce. R. P. Lamont, secretary. Bureau of the Census, W.M. Steuart, director.

Fifteenth census of the United States, 1930. Number of farms, farm acreage, and values of farm land and buildings, farm buildings, farmers' dwellings, and farm implements and machinery by minor civil divisions.

At head of title: U.S. Department of Commerce. R.P. Lamont, secretary. Bureau of the Census. W.M. Steuart, director.

Fifteenth census of the United States, 1930. Type of farm.

"Prepared under the supervision of William Lane Austin ... assisted by Dr. F.F. Elliott."

Ochers and mineral pigments of the Pacific northwest occurrence, possible methods of preparation, and testing of ochers, siennas, and colored clays,

"This report represents a cooperative study between the Bureau of mines, Department of commerce, and the College of mines, University of Washington."

Some engineering problems of the Panama Canal in their relation to geology and topography /

Running title: Engineering problems of the Panama canal.

The status of the nation's highways and bridges: conditions and performance. 1991. Report.

Mode of access: Internet.

Computer modeling of transportation-generated air pollution--a state-of-the-art survey. Final report.

Transportation Department, Office of the Assistant Secretary for Systems Development and Technology, Washington, D.C.

16th census of the United States: 1940. Census of business: 1939. Service establishments. Analysis by size based on volume of receipts.

At head of title: U.S. Dept. of Commerce, Jesse H. Jones, Secretary. Bureau of the Commerce, J.C. Capt, director ..

The Constitution of the state of Ohio of 1851 : as amended to January 1, 1910.

Mode of access: Internet.

16th census of the United States: 1940. Census of business: 1939. Retail trade. Commodity sales. Jewelry stores, luggage stores, opticians, photographic supply and camera stores, sporting goods stores, bicycle shops.

At head of title: U.S. Dept. of Commerce. Jesse H. Jones, Secretary. Bureau of the Census. J.C. Capt, Director ..

16th census of the United States: 1940. Census of business: 1939. Retail trade. Commodity sales. Eating places, drinking places, cigar stores, cigar stands, liquor stores (packaged goods)

At head of title: U.S. Dept. of Commerce. Jesse H. Jones, Secretary. Bureau of the Census. J.C. Capt, Director ..