Thomas R. Howell's Check-list of the Birds of Nicaragua as of 1993 (Ornithological Monographs)
Where to Watch Birds in Nicaragua
Where to Watch Birds in Central America, Mexico, and the Caribbean (Princeton Field Guides)
A Guide to the Birds of Panama: With Costa Rica, Nicaragua, and Honduras
The Birds of Costa Rica: A Field Guide (Zona Tropical Publications)
Travel & Site Guide to Birds of Costa Rica With Side Trips to Panama
Birds of Mexico and Central America (Princeton Illustrated Checklists)
A Guide to the Birds of Mexico and Northern Central America
The naturalist in Nicaragua: A narrative of a residence at the gold mines of Chontales; journeys in the savannahs and forests. With observations on ... to the theory of evolution of living forms