|Household Words 3 January 1856. The first appearance of The Dead Secret. It was to run until 13 June.
|Title page of the first book version of The Dead Secret. Published in 1857 in two volumes by Bradbury & Evans.
|Title page of the Tauchnitz edition published in Leipzig. Although dated 1857, this is the second issue published later.
|The pale blue cover of the first French edition of Le Secret. Translated by Émile Durand Forgues and published by Hachette in 1858, it was the first book by Wilkie Collins to be published in French.
|Mauve blindstamped cover of the first one volume edition, published by Sampson Low, Son & Co. in 1861.
|Title page of the 1861 one volume edition. Pages dated 1861 and 1862 are known.
|Frontispiece to the 1861 edition by Sir John Gilbert RA.
|Cover of the American edition published by Harper & Brothers in 1874 as part of a uniform edition of Wilkie's works. Probably the first fully illustrated edition with six engravings.
|Title page of the 1874 edition. This edition was republished later without a date on the title page.
|Frontispiece - Book VI Chapter V
|Facing page 25 - Book I Chapter II
|Fp 84 - Book III Chapter II
|Fp 152 - Book IV Chapter I.
|Fp 167 - Book IV Chapter II.
|Fp 258 - Book V Chapter V.
|Cover of the 2 shilling, 'yellowback' edition of The Dead Secret by Chatto & Windus. This copy is dated 1889 and has 32p of adverts dated October 1889 at the end.
|Chatto title pages
|Cover of the 1909 edition by Charles Scribner's Sons, New York. Scribner produced a uniform illustrated edition of five of Wilkie's works. W. Sherman Potts did the drawings for this volume and for The Woman in White.
|Title page of the 1909 edition.
|Frontispiece of 1908 edition by W. Sherman Potts.
|Facing page 182
|Facing page 302
|Facing page 454