• 9 Journals, Magazines, Newspapers

• 3 Pollution
• 3 Water
• 3 Water-supply
• 2 Botany
• 2 University of California (System). Water Resources Center
• 2 Water resources development
• 1 Fishes
• 1 Game and game-birds
• 1 Gardening
• 1 Horticulture
• 1 Societies, etc
• 1 Veterinary medicine
• 1 Wilderness areas
• 1 Wildlife conservation
• 1 Wildlife management

• 2 California Water Resources Center
• 2 California. Department of Fish and Game
• 1 California Native Plant Society
• 1 California State Veterinary Medical Association
• 1 California Veterinary Medical Association
• 1 Pacific Horticultural Foundation (U.S.)
• 1 Rancho Santa Ana Botanic Garden
• 1 University of California (System). Centers for Water and Wildland Resources
• 1 University of California (System). Water Resources Center

Limit year range