Invasive Plant Control in Maryland (Revised Mar 2003; PDF | 966 KB)
University of Maryland. Cooperative Extension Service. Home and Garden Center.

Maryland's Emergency Response Plan for Invasive Forest Pests (May 2005; PDF | 663 KB)
Maryland Department of Natural Resources.

Maryland Wildlife Diversity Conservation Plan
Association of Fish and Wildlife Agencies. State Wildlife Action Plans.

Mute Swans in Maryland: A Statewide Management Plan (Apr 14, 2003)
Maryland Department of Natural Resources.

Snakehead Scientific Advisory Panel: First Report to the Maryland Secretary of Natural Resources (Jul 26, 2002)
Maryland Department of Natural Resources.