Sixteenth census of the United States: 1940. Population ...

At head of title: United States Dept. of Commerce... Bureau of the Census...

Atlas of United States trees.

"Timber Management Research."

Weight of thyroid in dairy cows from different geographical areas within the United States /

"In cooperation with the Agricultural Experiment Stations of Alabama, California, Florida, Georgia, Iowa, Kansas, Kentucky, Massachusetts, Michigan, Missouri, Nebraska, New Hampshire, New York (Cornell and Geneva), North Carolina, North Dakota, Oklahoma, Pennsylvania, South Carolina, South Dakota, Utah, and Wisconsin."