G. Jacobson

Radiologic classification of the pneumoconioses.

B. Felson, E. P. Pendergrass, W. Lainhart, 1968, Medical radiography and photography.

UICC/Cincinnati Classification of the Radiographic Appearances of Pneumoconioses: A Cooperative Study by the UICC Committee

W. S. Lainhart, C. E. Rossiter, C. Rossiter, 1970 .

HISTORICAL PERSPECTIVES OF COAL WORKERS' PNEUMOCONIOSIS IN THE UNITED STATES

B. Felson, L. J. Bristol, E. P. Pendergrass, 1972, Annals of the New York Academy of Sciences.

The prevalence of coal workers' pneumoconiosis in US coal miners.

W K Morgan, W. Morgan, R. Reger, 1973, Archives of environmental health.

ROENTGENOLOGICAL PATTERNS IN LUNG CHANGES THAT SIMULATE THOSE FOUND IN COAL WORKERS' PNEUMOCONIOSIS

B. Felson, L. J. Bristol, E. P. Pendergrass, 1972, Annals of the New York Academy of Sciences.