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Handbook of Yosemite National Park
  by Arthur C. Pillsbury
Yosemite and Its High Sierra - by John H. Williams 
First Edition 
The photographs used are slightly different in the two editions.  
Yosemite and Its High Sierra - by John H. Williams 
Second Edition, 1921 
Yosemite Trails 
  by J. Smeaton Chase   
          Published 1911
  Boston, Houghton Mifflin
Photographs used in the book 
are by Arthur C. Pillsbury
The Foley Guide 
Produced each year by Daniel Joseph Foley, beginning in 1903 until his death in 1934.
In The Heart of the Sierras
                     Yo-Semite & Big Trees
   by Hutchings, J.M.(JamesMason) 
    Published 1888
  About James Mason Hutchings
by Katherine Ames-Taylor
Published 1926