Chief Products of China [.pdf file]
On page 74 of:  Horatio B. Hawkins.  Commercial Press Geography of China.  Shanghai:  Commercial Press, 1927.

Distribution of Moslems in China.
  FROM:  The Christian Occupation of China:  a General Survey of the Numerical Strength and geographical distribution of the Christian Forces in China Made by the Special Committee on Survey and Occupation China Continuations Committee, 1918-1921.  Edited by Milton T. Stauffer.  Shanghai:  China Continuation Committee, 1922, p. 354.

Map of Railways in Manchuria and Their Connections [.pdf file]
On page 85 of:  Horatio B. Hawkins.  Commercial Press Geography of China.  Shanghai:  Commercial Press, 1927.

Railway Map of China [.pdf file]
On page 84 of:  Horatio B. Hawkins.  Commercial Press Geography of China.  Shanghai:  Commercial Press, 1927.