1. “Corneal damage with tear gas” Klin;Hartmann;Monatsbl. Augenh.,1954
2. Verätzung des Auges durch konzentriertes Tränengas;Schmelzer;Klin. Monatsbl. Augenh.,1937
3. “Unusual Sequele of Injury by concentrated Tear Gas”;Schmidt;Arch. Ophth.,1938
4. “Eye Injuries from so-called non casualty War Gases”;Georg;Am. J. Ophth.,1948