Eight notebooks relating to a journey from Hong Kong to Kowloon, comprising: journal, part one, 30 Sep 1906-8 Jan 1907 journal, part two, 9 Jan 1907-14 Feb 1907 astronomical observations field book, 4 Oct-7 Dec 1906 (very few entries) computation of astronomical observations, 4 Oct-[13] Oct, 20 Nov-8 Dec 1906 (very few entries) ...