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Archival description
Black (Davidson) Family fonds
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Photoprints on cards for lantern slide series

"R. Geology and geography :

  1. Geography;
  2. Paleogeography;
  3. Geology";

S. Biography and history of science":

  1. Lacy's text;
  2. Personal portraits;
  3. Misc.;
  4. G.E.S. lectures, Peking, etc.;

T. Travel and exploration" [see individual trips below]

Results 201 to 250 of 533