Whitechurch in Dewisland Parish, Ychwanegu i'r clipfwrdd [ABZZZZV] Is-is-is-fonds 1730-1902. Rhan oHaverfordwest (Williams & Williams)
Whitechurch in Dewisland, Ychwanegu i'r clipfwrdd [AAZZZZZK] Is-is-is-fonds 1750-1895. Rhan oHaverfordwest (Williams & Williams)
Whitland and Cardigan Railway. Ychwanegu i'r clipfwrdd [JAZE] Is-is-is-fonds Rhan oHaverfordwest (Williams & Williams)
Whitland and Taf Vale Railway. Ychwanegu i'r clipfwrdd [JAZG] Is-is-is-fonds Rhan oHaverfordwest (Williams & Williams)
Whitland, Cronware & Pendine Railway, Ychwanegu i'r clipfwrdd [JBE] Is-is-is-fonds 1880. Rhan oHaverfordwest (Williams & Williams)
Whitland, Narberth, Begelly, Saundersfoot & Tenby, Pem[broke]. Dock & Milford Haven Railway. Ychwanegu i'r clipfwrdd [JAZF] Is-is-is-fonds Rhan oHaverfordwest (Williams & Williams)
Whitland, Tenby & Milford Haven Railway. Ychwanegu i'r clipfwrdd [JAZH] Is-is-is-fonds Rhan oHaverfordwest (Williams & Williams)
Wiston Parish, Ychwanegu i'r clipfwrdd [ABZZZZW] Is-is-is-fonds 1710-1893. Rhan oHaverfordwest (Williams & Williams)
Wiston Parish, Ychwanegu i'r clipfwrdd [AAZZZZZM] Is-is-is-fonds 1770-1894. Rhan oHaverfordwest (Williams & Williams)
Yerbaston Parish, Ychwanegu i'r clipfwrdd [AAZZZZZN] Is-is-is-fonds 1784. Rhan oHaverfordwest (Williams & Williams)