Arbor day; its history and observance
United States Agriculture, Department of; United States Agriculture, Department of. Prelim. rept. on the forestry of the Mississippi valley; United States Agriculture, Department of. White pine timber supplies; United States Agriculture, Department of. Relation of forests to farms; Egleston, Nathaniel Hillyer, 1822-; Fernow, B. E. (Bernhard Eduard), 1851-1923; Roth, Filibert, 1858-1925; Sudworth, G. B; Keffer, C. A