Paul A. Koepsell

• Pacific Northwest Insect Management Handbook
• Pacific Northwest Plant Disease Management Handbook 2002 (Pacific Northwest Plant Disease Management Handbook, 2002)
• Cropping peppermint on soils infested with Verticillium wilt
• Onion white rot
• Pacific Northwest 1993 Plant Disease Control Handbook
• Pacific Northwest 1994 Plant Disease Control Handbook
• Pacific Northwest 1996 Plant Disease Control Handbook (Annual)
• Pacific Northwest 1998 Plant Disease Control Handbook (Annual)
• Pacific Northwest 1998 Plant Disease Control Handbook (Serial)
• Pacific Northwest 1999 Plant Disease Control Handbook
• Pacific Northwest 2003 Insect Management Handbook
• Pacific Northwest Insect Disease Control Handbook