G. W. Haupt

Chromaticities of Lovibond glasses.

G. W. Haupt, F. Douglas, 1947, Journal of the Optical Society of America.

Ideal Lovibond Color System

D. B. Judd, G. W. Haupt, G. Chamberlin, 1962 .

An alkaline solution of potassium chromate as a transmittancy standard in the ultraviolet

G. W. Haupt, 1952 .

Specification of railroad signal colors and glasses.

K. S. Gibson, H J KEEGAN, K S GIBSON, 1945, Journal of the Optical Society of America.

Standardization of the Luminous Transmission Scale Used in the Specification of Railroad Signal Glasses

Geraldine Walker Haupt, K. S. Gibson, Kasson S. Gibson, 1939 .