The Hound of the Baskervilles — Cover of the first edition
Photo Credit: By Sidney Paget (1860-1908) - Public Domain, https://commons.wikimedia.org/w/index.php?curid=10971840

A Study in Scarlet — Cover of Beeton's Christmas Annual for 1887, featuring A. Conan Doyle's story
Photo Credit: By David Henry Friston - Public Domain, https://commons.wikimedia.org/w/index.php?curid=2529058

Masonic Square and Compasses — US Federal Courts ruled in the 19th Century the Freemasons could not claim trademark on this icon
Photo Credit: By EricCable at English Wikipedia - Public Domain, https://commons.wikimedia.org/w/index.php?curid=77731697

Sir Arthur Conan Doyle — in 1914
Photo Credit: By Walter Benington - RR Auction, Public Domain, https://commons.wikimedia.org/w/index.php?curid=42190721

Charles Dickens 1850 —
Photo Credit: By Unknown - Public Domain, https://commons.wikimedia.org/w/index.php?curid=20269556

Cover of serial, "David Copperfield" by Charles Dickens —
Photo Credit: By Bradbury & Evans - NYPL, Public Domain, https://commons.wikimedia.org/w/index.php?curid=7220232

Ghost of Christmas Yet to Come — By John Leech, The Last of the Spirits, from Charles Dickens' A Christmas Carol, first edition, 1843
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=4583036

The Ghost of Christmas Present — By John Leech, Scrooge's third visitor, from Charles Dickens' A Christmas Carol.first edition, 1843
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=4582990

Jacob Marley's Ghost — By John Leech, from Charles Dickens A Christmas Carol first edition, 1843
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=4586143

Substance and Shadow — By John Leech, published in Punch, 1843, the first use of the word cartoon to refer to a satirical drawing
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=188668

John Leech —
Photo Credit: By John Leech - Public Domain, https://commons.wikimedia.org/w/index.php?curid=510731