Sources on Interlinguistics Journals, Newsletters, Bibliographies and Web sites on Interlinguistics Journals and Newsletters Language Problems and Language Planning Language Problems and Language Planning is published three times a year by John Benjamins Publishing Company , Amsterdam, under the editorship of the Center for Research and Documentation on World Language Problems . Since 1996 it includes a regular interlinguistics section.
Abstracts are available on the publisher's web site.
Interlingvistoj has been published by the Center for Research and Documentation on World Language Problems since 1974. Recent numbers are accessible on line, except for pages photocopied from other publications. The most recent issue is accessible on line. It publishes articles based on original studies of the linguistic, historical, literary, psychological, sociological, and political aspects of Esperanto. The first issue , comprising 80 pages, was published in July 1999.