Cartographers of the Safavid dynasty of Iran made gazetteers of local areas. Maps and gazetteers are important sources for understanding the places researched. Either name may appear on maps or in gazetteers. Such gazetteers are often produced by census agencies, national mapping organizations or postal service providers. These works stimulated an interest in geography (particularly gazetteers) but were not slavishly followed. Japanese gazetteers preserved historical and legendary accounts of various regions. Perhaps predating Greek gazetteers were those made in ancient Egypt. Ancient Greek gazetteers are known to have existed since the Hellenistic era. According to Assam District Gazetteers, vol. He contributed to the editing of the Jalpaiguri District Gazetteers. The majority of the physiognomers recorded in the gazetteers are not identified. The Joseon Koreans also created international gazetteers. He was the editor of 24 Parganas and Darjeeling "District Gazetteers". In Korea, scholars based their gazetteers largely on the Chinese model. There are over 8,000 gazetteers of pre-modern China that have survived.