The riddle of the Rhine; chemical strategy in peace and war

The Mysteries of Udolpho

Ann Radcliffe

Air pollution

United States. General Accounting Office

The Riddle of the Rhine

Victor Lefebure

Detection technologies for chemical warfare agents and toxic vapors

Yin Sun

Acute exposure guideline levels for selected airborne chemicals

Subcommittee on Acute Exposure Guideline Levels

Chemical warfare during the Vietnam War

D. Hank Ellison

Suicide

Ronald V. Clarke

Chemical discovery and invention in the twentieth century

Tilden, William A. Sir

A higher form of killing

Robert Harris