28_10
Yosemite to Oakland, Sept. 1913 A. Engler Berlin-Dahlem [?] [?] Germany
C.v. Tubeuf Munchen, Universitat
C. Schroter [?Merkurstran] 70 Zurich
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28_11
Yosemite to Oakland, Sept. 1913
Dr. ?R. Rubel] [?Furuhbergstrasse 30] Zurich Switerzerland
Henry C. Cowles, [University] of Chicago, Chicago
Edith S. Clements Frederic E. Clements University of Minnesota Minneapolis
Ave Paulsen Botanical Museum Copenhagen
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