Longman Group Ltd
1724-1970, publisher, London, England.
Founded by Thomas Longman in 1724, Longmans is the oldest publishing house in the United Kingdom. The firm had many imprints including (but not limited to) T. Longman (1724), Longman and Rees (1800), Longman, Rees, Orme, Brown and Green (1825), Longman Green & Co. (1880).
Longman remained a family business until 1970, when it merged with Penguin Books.