found: Barrow, E. N. The King's Rivals, 1898:t.p. (Longmans, Green, and Co.)
found: Wallis, P. At the sign of the ship, 1974:p. 40 (Succession of imprints of The House of Longman 1724-1974: ... (1865) Longmans, Green, Reader and Dyer; (1889) Longmans, Green & Co; (1926) Longmans, Green & Co. (LTD); (1959) Longmans; (1969) Longman)
found: Essays in the history of publishing: in celebration of the 250th anniversary of the House of Longman 1724-1974, 1974:p. 28 (Succession of imprints of the House of Longman 1724-1974: ... (1865) Longmans, Green, Reader and Dyer ... (1889) Longmans, Green & Co.)
found: The gate beautiful, March 1921:t.p. verso (Messrs. Longmans, Green & Company, of London and New York)
notfound: Fergusson, W. Notes and recollections of a professional life, 1846: t.p. (Longman, Brown, Green, and Longmans)