Professor William H. Burr to Thomas Lincoln Casey, March 9, 1896

Project of Expenditure or $500,000 appropriation asked for year 1885-6, February 4, 1885

Projections of loss of head by street and various pipe sizes, undated

Proposals for Stone, Sand, Cement and Iron, May 19, 1887

Proposed Government Printing Office, August 11, 1894, copy

Provisional program recommended for the Centennial Commemoration of the first authorized settlement in the territory of the northwest, 1887

Quantities of Stone, S. Wing, July 21 - 77, No. 9, July 21, 1877

Quincy A. Gillmore to Hon. S. Y. Tupper, January 22, 1885, circular

Quinn to Thomas Lincoln Casey, August 8, 1889, telegram

R. B. Bowler to the Auditor for the State and other Departments, October 5, 1894, copy (1)

R. B. Bowler to the Auditor for the State and other Departments, October 5, 1894, copy (2)

R. B. Jones to Thomas Lincoln Casey, January 17, 1891

R. B. Thomas to Thomas Lincoln Casey, July 12, 1888

R. C. Drum to Thomas Lincoln Casey, December 28, 1885

R. C. Drum to Thomas Lincoln Casey, July 23, 1888

R. C. Drum to Thomas Lincoln Casey, March 13, 1885, circular

R. C. Drum to Thomas Lincoln Casey, March 5, 1887, telegram

R. C. Drum to Thomas Lincoln Casey, November 22, 1888

R. C. Park to President Benjamin Harrison, April 9, 1891

R. C. Parsons to Thomas Lincoln Casey, November 6, 1889

R. C. Winthrop to Thomas Lincoln Casey, February 16, 1885

R. D. Mussey to Thomas Lincoln Casey, April 6, 1885

R. D. Mussey to Thomas Lincoln Casey, October 2, 1888

R. H. Humphreys regarding: F. Harwood, undated

R. H. Humphreys to Thomas Lincoln Casey, June 30, 1885

R. H. Tilley to Thomas Lincoln Casey, April 22, 1891

R. H. Tilley to Thomas Lincoln Casey, August 9, 1883

R. H. Tilley to Thomas Lincoln Casey, December 12, 1890

R. H. Tilley to Thomas Lincoln Casey, December 12, 1891

R. H. Tilley to Thomas Lincoln Casey, December 16, 1892

R. H. Tilley to Thomas Lincoln Casey, February 12, 1884

N. C. Blanchard to Thomas Lincoln Casey, December 17, 1888

N. C. Blanchard to Thomas Lincoln Casey, December 6, 1888

N. C. Blanchard to Thomas Lincoln Casey, June 23, 1884

N. C. Blanchard to Thomas Lincoln Casey, June 28, 1884

N. C. Blanchard to Thomas Lincoln Casey, November 8, 1890

N. F. Pearce to Thomas Lincoln Casey, December 24, 1883

N. Johnson to Thomas Lincoln Casey, April 22, 1878

N. Tilney to Thomas Lincoln Casey, July 27, 1869

N. W. Mason to Thomas Lincoln Casey, January 22, 1891

N. W. Mason to Thomas Lincoln Casey, January 24, 1891

Nathaniel Silsbee to Thomas Lincoln Casey, April 1, 1885

National Academy of Sciences to Thomas Lincoln Casey, April 19, 1890

National Academy of Sciences to Thomas Lincoln Casey, October 13, 1890

National Bank of the Republic to Thomas Lincoln Casey, April 5, 1890

National Bank of the Republic to Thomas Lincoln Casey, April 7, 1890

National Bank of the Republic to Thomas Lincoln Casey, April 9, 1890

National Bank of the Republic to Thomas Lincoln Casey, December 14, 1888

National Bank of the Republic to Thomas Lincoln Casey, December 19, 1888

National Bank of the Republic to Thomas Lincoln Casey, February 11, 1896