Series
- U-Boat publication1
- U-X-L Korean War reference library2
- U-bok ; 2371
- U-bok ; nr. 2351
- U-bokene4
- U-comix sonderband1
- U-lansbibiloteket1
- U. Anthropologie1
- U. Archeologie1
- U. K. market intelligence1
- U. P. L. 1961, Paper :XXIV2
- U. S. Department of Agriculture. Miscellaneous publication1
- U. S. National Aeronautics and Space Administration. NASA SP-3
- U. S. National Museum. Bulletin1
- U. S. Social Security Administration. Office of Research and Statistics. Research report1
- U. S. War dept1
- U. S. Bureau of agricultural economics. [Library] Agricultural economics bibliography no. 621
- U. S. Congress, 28th, 2d sess. Senate. Document,51
- U. S. Department of Agriculture. Miscellaneous publication1
- U. S. Dept. of Agriculture Forest Service general technical report SO1