Book excerpt: Lexicon Grammaticorum is a biographical and bibliographical reference work on the history of all the world's traditions of linguistics. Each article consists of a short definition, details of the life, work and influence of the subject and a primary and secondary bibliography. The authors include some of the most renowned linguistic scholars alive today. For the second edition, twenty co-editors were commissioned to propose articles and authors for their areas of expertise. Thus this edition contains some 500 new articles by more than 400 authors from 25 countries in addition to the completely revised 1.500 articles from the first edition. Attention has been paid to making the articles more reader-friendly, in particular by resolving abbreviations in the textual sections. Key features: essential reference book for linguists worldwide 500 new articles over 400 contributors of 25 countries