by Samuel Muller
by Henry Acton
by Thomas H. Jenkins
by David Moore Lindsay
by Roy Chapman Andrews
by Walter Noble Burns
by William John Hopkins
by William Scoresby
by Arthur Conan Doyle
by Theodore J. Walker
by William B. Whitecar
by John (Surgeon) Laing
by John D. Jones
by W. G. (William Gordon) Burn Murdoch
by Lewis Holmes