• 1 Steenbock Library

• 23 Journals, Magazines, Newspapers
• 1 Books

• 4 Animal industry
• 1 Statistical services
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• 1 Duin, Mario Alfredo

• 24 Venezuela
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• 1 Anzoátegui (State)
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• 1 Barinas (State)
• 1 Bolívar (State, 1881- )
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• 1 Cojedes (State)
• 1 Delta Amacuro (Ter.)
• 1 Distrito Federal
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• 1 Guárico (State)
• 1 Lara
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• 1 Nueva Esparta (State)
• 1 Portuguesa (State)
• 1 Sucre
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• 1 Yaracuy
• 1 Zulia

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