This database is a completely revised new edition of the "Index Litteraturae Entomologicae : Serie I : Die Welt-Literatur über die gesamte Entomologie bis inclusive 1863" published by Walther Horn und Sigmund Schenkling in 1928-1928. The most important new features are: (a) the original 25,229 citations (Horn & Schenkling 1928) have been increased to over 46,500; the extra data result from resolution of highly condensed original entries or are new; (b) over 11,300 authors, artists, engravers, etc. have been recorded separately, thus supporting searches with various spellings of the name and connecting the bibliography with the biographies; (c) over 10,300 journals, publishers etc., (called ‘sources’) have been recorded separately, thus supporting searches with various spellings of the title; dating information is included and titles are given in full; (d) parts of works, other editions, addenda, translations, etc. were cross-referenced; (e) Publication dates of the works have been revised based on secondary sources (see references); (f) the citations can be exported in text format or BibTex format; (g) users can comment on each citation and contribute to improving the database. ... [Information of the supplier]