Dixon of Dock Green | Hickory | hickory | Albert Dock | Tyne Dock | Royal Victoria Dock | Victoria Dock | Tilbury (the dock town, founded from c.1883) | Stanley Dock | Rotterdam-class amphibious transport dock | Pembroke Dock | London Dock Strike of 1889 | Immingham Dock | Hickory Grove Baptist Church | Albert Dock Seamen's Hospital | Victoria Dock (Melbourne) | Tyne Dock Metro station | Sportivo Dock Sud | Sittin' on the Dock of the Bay | (Sittin' on) the Dock of the Bay | Royal Portbury Dock | Royal Albert Dock | Regent's Canal Dock | Prairie dock | Old Hickory, Tennessee | Morpeth Dock | Mazagon Dock | King's Dock, Port of Liverpool | King's Dock | Hickory Wind |
Like several of Christie's novels (e.g., Hickory Dickory Dock, One, Two, Buckle My Shoe) the title and substantial parts of the plot reference a nursery rhyme, in this case Sing a Song of Sixpence.