Charles W. Heckman

1941

• Encyclopedia of South American aquatic insects
• Encyclopedia of South American aquatic insects
• Encyclopedia of South American Aquatic Insects
• Encyclopedia of South American Aquatic Insects: Ephemeroptera
• Encyclopedia of South American Aquatic Insects: Hemiptera - Heteroptera
• Encyclopedia of South American Aquatic Insects: Odonata - Anisoptera
• Encyclopedia of South American Aquatic Insects: Odonata - Zygoptera
• Encyclopedia of South American Aquatic Insects: Plecoptera
• The Pantanal of Poconé
• The Phnom Penh airlift
• Rice Field Ecology in Northeastern Thailand
• Rice field ecology in Northeastern Thailand