Robert Falcon Scott, Leonard Huxley (1913). “Scott's Last Expedition ...: Vol. I. Being the Journals of Captain R. F. Scott, R. N., C. V. O. Vol II. Being the Reports of the Journeys and the Scientific Work Undertaken by Dr. E. A. Wilson and the Surviving Members of the Expedition, Arranged by Leonard Huxley; with a Preface by Sir Clements R. Markham ... With Photogravure Frontispieces, 6 Original Sketches in Photogravure by Dr. E. A. Wilson, 18 Coloured Plates (16 from Drawings by Dr. Wilson), 260 Full Page and Smaller Illustrations from Photographs Taken by Herbert C. Ponting and Other Members of the Expedition, Panoramas and Maps ...”
Sir Charles Lyell (1853). “Principles of geology ; or, The modern changes of the earth and its inhabitants considered as illustrative of geology”, p.666