Cylchgronau Cymru
Chwiliwch trwy dros 450 o deitlau a 1.2 miliwn o dudalennau
XXI 22. OVERLAID DRAWINGS, THE RED BOOK LETTERS ON THE TRANSPARENT PAPER, THE WHITE BOOK UNDER- NEATH, TO SHOW THE IDENTICAL CONSTRUCTION OF all, hyt, g6 AND gell IN THE RED BOOK AND THE ADDED PASSAGE IN THE WHITE BOOK.