Make your bloody mind up

Or, how being trapped in a bookshop with only tea for company can make you do odd things. Namely listing all the varieties of Longmans' imprints in our database...

1796 - Longman
1798 - T.N. Longman
1800 - Longman and Rees
1805 - Longmans, Hurst, Rees, and Orme
1806 - Edward Orme & Longman, Rees, Hurst and Orme
1806-15 - Longman, Hurst, Rees and Orme
1812-23 - Longman, Hurst, Rees, Orme and Brown
1824-31 - Longman, Rees, Orme, Brown and Green
1837 - Longman, Rees, Orme, and Co.
1837 - Longman, Rees, Orme, Brown, Green and Longman
1837-41 - Longman, Orme, Brown, Green and Longmans
1842-56 - Longman, Brown, Green and Longmans
1860 - Longman, Green, Longman and Roberts
1866-69 - Longmans, Green, and Co.
1868-77 - Longmans, Green, Reader and Dyer
1869-1954 - Longmans, Green, and Co.
1959 - Longmans

No, I didn't have anything better to do.