The research then started with the assumption that "every area of study with a history of the definition of more than ÷0 specific subjects in special works will require that a specialist encyclopedia is developed as an independent area of law research." This study resulted in the identification of more than 110,000 entries in the field of different legal studies. The result was that 63 volumes would then be arranged for entry into each of the legal areas.[28][29] law of disciplines such as water law, electricity law, green energy legislation, cultural heritage legislation, tourism and road law, the national law of the case history, nutrition legislation and agricultural law have also emerged.[30] as a consequence of this investigation.