16
Books of all kinds, particularly reference books
41
Publication of books (and electronic data media); publication of printed matter via the Internet and electronic media; (consultancy and giving information in the field of linguistic and/or general knowledge on questions of orthography, grammar, stylistics and punctuation / on questions of education and/or general knowledge for the purpose of training and further education
42
Compilation of (linguistic and/or general) information by means of data processing through development and establishment of computer software as well as through participation in development, design and establishment of data processing programs (for linguistic purposes and/or for the purpose of knowledge transfer); copyright management; establishment of programs for data and word processing; arrangement of user rights on data bases for works of (documentation,) information, teaching and reference of all kinds with texts and/or acoustic material and/or graphic material (and/or film footage)