The Historische Kaart Friesland (HisGis) is an online historical geographic information system for the province of Friesland, based on records from 1832 and from 1700, accessible by means of maps
The MLA Language Map uses data from the 2000 United States census to display the locations and numbers of speakers of thirty languages and three groups of less commonly spoken languages in the United States
A large database of structural (phonological, grammatical, lexical) properties of languages gathered from descriptive materials (such as reference grammars) ..... 141 maps with accompanying texts