Availability and more information from Catalyst...
The Online version is easily browsable and searchable, and sources it's information thoroughly, leading you to important descriptions of specific languages and structures.
This is a fully interactive site that presents data on language use from the 2000 United States Census. You can generate maps that display simple concentrations of spoken language, comparison maps, or maps overlayed with lakes, highways, and more.
Where to look to find research done by related disciplines
Sociologists often study language and culture. "Linguistics" and "sociolinguistics" are two of the descriptors that you can use in this databases to focus your search on these particular topics in sociology.
Like sociologists, anthropologists spend a great deal of time tracking the connections between languages and cultures. "Linguistics" is a subject word in this database that can help you narrow your search.
Brain function and language are deeply connected, so there is a lot written about language and linguistics in the field of psychology. "Psycholinguistics" and "Neurolinguistics" are two of the descriptors that may be of help in this database.
An index to the literature about Greco-Roman archaeology, history, law, linguistics and literature, philosophy, and science and technology from the 2nd millennium BCE to 800 CE. Covers publications from 1924 to one year ago.