Vol. XI (ff. v + 224). Jan. 1900-Dec. 1901. Followed by (1) gross values of stock sold each year, 1880-1914 (ff. 221b-222b) and (2) the cost and current value of stock acquired 1886-1905 and still unsold at the end of 1905 (ff. 223b-224).
Vol. VII (ff. iv + 242). 1910-1912. includes: ff. 230, 231 Wilfred Michael Voynich, bookseller, of London: Bills, etc., to J. and J. Leighton: 1910-1916.
Vol. IV (ff. v + 235). 1903-1904. includes: ff. 79, 80 Reverend William Kyle Westwood Chafy, of Rous Lench Court: Postcards to Messrs J. and J. Leighton: 1903-1904.
Vol. IX (ff. iii + 211). 1916-1918. includes: f. 66 Somers Clarke, FSA: Postcard to Messrs J. and J. Leighton: 1918.f. 70 David Alexander Edward Lindsay, 27th Earl of Crawford; 10th Earl of Balcarres: Letter to J. and J. Leighton: 1917.f. 188 Wilfred Michael Voynich, bookseller, of Londo...