London, Newman, Graham & Co., [circa 1905 (first edition thus)].
Imperial quarto (375 x 285 mm), two volumes, [vi], 304 and [iv], 328,  (facsimiles of subscribers' autographs) pages plus a total of 31 original gelatin silver portrait photographs (approximately 220 x 170 mm) mounted on thick card with tipped-in tissue-guards; the publisher's 'In Memoriam' leaf for Viscount Goschen (recording his death on 7 February 1907), is printed on tissue and tipped in before his portrait (after page 214 in the first volume).
Full maroon morocco with the title in gilt in an ornamental font on the front covers, and with gilt decorations on both front and rear covers; gilt inner dentelles, endpapers lined with silk, all edges gilt; leather a little scuffed and slightly marked; minor conservation to the head and foot of the spine of the first volume; a few trifling marks and signs of handling (a small light stain to both front endpapers and the blank preliminaries of one volume; the edges of a few leaves of the subscribers' section are slightly proud and a little chipped; some tissue-guards are marked or creased, and the one for Lord Balfour of Burleigh is missing; overall in excellent condition.
Lengthy biographical sketches are accompanied by fine portraits, with many of the latter by Elliott & Fry. Other photographers noted include Messrs. Bassano, C.E. Fry & Son, Langfier Limited, Russell & Sons, Lafayette Limited, and A.C. Hoskins. The contents of Volume 1 are Lord Ashbourne; Arthur James Balfour; Gerald William Balfour; Henry Chaplin; Duke of Devonshire; Viscount Goschen; Earl of Halsbury; Lord George Hamilton; Marquis of Lansdowne; Marquis of Londonderry; Walter Hume Long; Alfred Lyttelton; Earl of Onslow; Lord Ritchie of Dundee; Viscount St Aldwyn; and Lord Stanley. The contents of Volume 2 are Aretas Akers-Douglas; Hugh Oakeley Arnold-Forster; Lord Balfour of Burleigh; William St John Brodrick; Earl Cawdor; Joseph Chamberlain; J. Austen Chamberlain; Lord Curzon of Kedleston; Ailwyn Edward Fellowes; Lord James of Hereford; Marquis of Linlithgow; the late Marquis of Salisbury; Marquis of Salisbury; Earl of Selborne; and George Wyndham. An earlier edition, containing 40 plates with less text, was issued in parts in the second half of the 1890s.