A digest of metabolism experiments in which the balance of income and outgo was determined S Agriculture
Cyclopedia of American horticulture, comprising suggestions for cultivation of horitcultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada S Agriculture
Cyclopedia of American agriculture; a popular survey of agricultural conditions, practices and ideals in the United States and Canada; S Agriculture
Lebensbilder hervorragender forstmänner und um das forstwesen verdienter mathematiker, naturforscher und nationalökonomen S Agriculture
