French-English Military Technical Directory, by Cornelius De Witt Willcox

Willcox, Frederick H. Bulletin: Occupational Hazards at Blast Furnace Plants and Accident Prevention

Willcox, James M. Elementary Philosophy: Part. 1

Smith, Jessie Willcox 1863-1935 The Little Mother Goose [microform]

Willcox, Oswin William The Viscous Vs. The Granular Theory Of Glacial Motion

Willcox, James M A History Of The Philadelphia Savings Fund Society: 1816-1916