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Spores
"N" rays a collection of papers communicated to the Academy of sciences : with additional notes and instructions for the construction of phosphoresce…
Catalogue of microscopes and accessories : microtomes, bacteriological apparatus, laboratory supplies and instruments for clinical diagnosis
Starting a fruit and vegetable cooperative : factors to consider
Climate change and America's forests
Wax and related coatings for horticultural products; a bibliography
Identification of parasites of the Douglas-fir tussock moth, based on adults, cocoons, and puparia
A national program of research for plants to enhance man's environment
Rawlins resource management plan : draft environmental impact statement
Subsurface geology in petroleum exploration; a symposium edited by John D. Haun and L.W. LeRoy