Communications to the National Academy of Sciences /
Carnegie Institution of Washington, Mount Wilson Solar Observatory.

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Item Link Original Source
Limited (search only)   v. 1 Harvard University
Limited (search only)   v.1 University of Illinois at Urbana-Champaign
Full view   no. 1-50 (Jan. 1915-Jan. 1918) New York Public Library
Full view   v.1-50 1915-1918 University of Michigan
Full view   v.1 no.001-050 yr.1915/18 University of California
Full view   v.1 (1915-18) University of California
Full view   v.1 1915-1918 Indiana University
Full view   vol.1 1915-1918 Princeton University
Full view   v.2 (1918-27) University of California
Full view   v.2 1918-1927 Indiana University
Limited (search only)   v.3 1927-1938 Indiana University
Full view   v.51-100 1918-1927 University of Michigan
Limited (search only)   v.101-122 1927-1938 University of Michigan