Land reclamation requirements and their estimated effects on the coal industry /

Bibliography: leaves 33-34.

The effect of direct taxes and other factors on money wage changes in U.S. manufacturing /

Cover title.

Sleep loss and its effects on performance /

Includes indexes.

United States of America : economic and commercial conditions in the United States of America

Mode of access: Internet.

A panel study of income dynamics : procedures and tape codes, 1974 interviewing year, Wave VII, a supplement /

"ISR code no. 4013"--T.p. verso.

A panel study of income dynamics : procedures and tape codes, 1977 interviewing year, wave X, a supplement /

"Greg J. Duncan and James N. Morgan are the principal researchers."

Railway freight rates, inland waterways, and canals of Germany.

Supplementary reports by Robert P. Skinner, James L.A. Burrell, William Thomas Fee, George Eugene Eager, H.J. Dunlap, H.L. Spahr, William C. Teichmann, Ernest L. Ives, William J. Pike, Thomas Willing Peters, and George Nicolas Ifft.

Directory of administrative and supervisory personnel of California public schools.

Mode of access: Internet.

Residual stress and the yield strength of steel beams,

Sponsored jointly by the Welding Research Council and the Department of the Navy.