Gabb, W. M. 1876. On the Tribes and Languages of Costa Rica. Proceedings of the American Philosophic Society 14. 483-602.
@article{gabb1876, author = {Gabb, W. M.}, journal = {Proceedings of the American Philosophic Society}, key = {Gabb (1876)}, pages = {483-602}, title = {On the Tribes and Languages of Costa Rica}, volume = {14}, year = {1876} }