No.	Title	Date
1	Report by Robert Gibson, Edgar Harlow, Lavinia Rayner, Maud Ward [and others], Hong Kong, 1923
2	Report by Robert Gibson, Hong Kong, 11 February 1901
3	Report by Robert Gibson, Hong Kong, 14 February 1928
4	Report by Robert Gibson, Hong Kong, 1898
5	Report by Robert Gibson, Hong Kong, 1899
6	Report by Robert Gibson, Hong Kong, 1902
7	Report by Robert Gibson, Hong Kong, 1916
8	Report by Robert Gibson, Hong Kong, 1917
9	Report by Robert Gibson, Hong Kong, 1934
10	Report by Robert Gibson, Hong Kong, 25 January 1908
11	Report by Robert Gibson, [Hong Kong], 28 February 1927
12	Report by Robert Gibson, [Hong Kong], 5 February 1926