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Books by "Clarence Ritchie Phipps"

3 books found

The Control of the Pear Thrips

The Control of the Pear Thrips

by Clarence Ritchie Phipps

1921

The Chain-dotted Measuring Worm

The Chain-dotted Measuring Worm

by Clarence Ritchie Phipps

1928

The Black Army Cutworm

The Black Army Cutworm

by Clarence Ritchie Phipps

1927