“Sussex Lake, source of the Thlew-ee-choh, August 28, 1833.” Page 169. Louis Hague, lithographer. Collections of and digitalized by the Marine Biological Laboratory (MBL) and Woods Hole Oceanographic Institute (WHOI) Library. In the public domain due to age. via https://archive.org/details/narrativeofarcti00back/page/n169/mode/2up
” Crossing Lake Aylmer. June 25, 1834.” Page 320. E Finden, engraver. Collections of and digitalized by the Marine Biological Laboratory (MBL) and Woods Hole Oceanographic Institute (WHOI) Library. In the public domain due to age. viahttps://archive.org/details/narrativeofarcti00back/page/n320/mode/2up“View of the Aurora Borealis.” Page 618. Collections of and digitalized by the Marine Biological Laboratory (MBL) and Woods Hole Oceanographic Institute (WHOI) Library. In the public domain due to age. viahttps://archive.org/details/narrativeofarcti00back/page/618/mode/2up
“Sonnenuntergant an der nordkuste asiens: das land im norden der Chalanga Mündung, 12 September, 1893.” Page 116, Volume 1. 1897. Fridtjof Nansen, watercolorist. Collection of and digitalized by the University of Toronto. In the public domain. via https://archive.org/details/innachtundeisdie01nans/page/n116