by R. H. Callihan
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Nightshade
Physiological and agronomic response of ...
Sulfur cinquefoil (Potentilla recta L.)
Field bindweed and its control
Field bindweed, Convolvulus arvensis L
Specification of Henry Wikoff
Effects of 2-chloroethylphosphonic acid ...
The convolvulus species of the Canary is...
Experiments in eradicating field bindwee...