By Wilson, Woodrow, 1856-1924 . Genre n-us--- / Agriculture / United States / World War, 1914-1918 / Economic aspects and 1 more . Names america / class / ave / life / plants and 5 more

By Merriam, Clinton Hart, 1855- [from old catalog] . Genre Crop zones / United States / Life zones / United States . Names area / life / areas / golden / cereals and 880 more

By Waugh, F. A. (Frank Albert), 1869-1943 . Genre n-us--- / Forest reserves / United States / Landscape gardening . Names areas / life / order / area / roots and 52 more

Genre n-us--- / Fishes / Fisheries / Research / United States and 3 more . Names fish / life / data / sea / atlantic and 102 more

By Simmons, James Samuel, 1861- [from old catalog] . Genre n-us--- / Plant quarantine / United States . Names plants / fruit / insects / dis / atlantic and 29 more

By Chamberlain, George Earle, 1854-1928. [from old catalog] . Genre n-us--- / Plant quarantine / United States . Names fruit / plants / insects / atlantic / austria and 22 more

By Chamberlain, George Earle, 1854-1928. [from old catalog] . Genre n-us--- / Plant quarantine / United States .

Genre n-us--- / Seed adulteration and inspection / United States / Bulbs (Plants) . Names seeds / grass / order / flower / class and 449 more

Genre n-cn--- / n-us--- / Fishery law and legislation / United States / Fishery law and legislation and 5 more .

By Koehler, Arthur. . Genre n-us--- / Trees / United States / Railroad ties / Wood and 1 more .