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Alberta and Saskatchewan brand book
Wild garlic (Allium vineale L.)
Counter attack : the fight against forest insects and diseases
Notes on methods and costs California crop production, with tables showing work capacity of farm machines; day's work for man and crew; costs of equi…
Destruction of the cotton boll weevil by birds in winter
Fruits and fruit products: Chemical and microscopical examination
National tick survey : calendar year 1963
Natural vegetation: Grassland and desert shrub
Birch aphids
The larch sawfly