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1725 J. Osborn dan T. Longman

1745 T. Longman dan T. Shewell

1753 T. dan T. Longman

1755 M. dan T. Longman

1793 TN Longman.  Juga T. Longman

1797 Tetuan.  Longman dan Rees

1799 TN Longman dan O. Rees

1804 Longman, Hurst, Rees dan Orme

1811 Longman, Hurst, Rees, Orme and Brown

1823 Longman, Hurst, Rees, Orme, Brown and Green

1825 Longman, Rees, Orme, Brown and Green

1832 Longman, Rees, Orme, Brown, Green and Longmans

1838 Longman, Orme, Brown, Green and Longmans

1840 Longman, Orme & Co.

1841 Longman, Brown & Co.

1842 Longman, Brown, Green and Longmans

1856 Longman, Brown, Green, Longmans dan Roberts

1859 Longman, Green, Longman and Roberts

1862 Longman, Green, Longman, Roberts and Green

1865 Longmans, Green, Reader and Dyer

1880 Longmans, Green & Co.

1926 Longmans, Green & Co. (Ltd.  )

Longman family (1724–1972) by Asa Briggs at Oxford Dictionary of National Biography

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