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$res['base.library.full'] contains 120 573 digital objects
Search for: [Subject and Keywords = "Pensylwania \(Stany Zjednoczone \; stan\)"]
Number of results: 6
Richardson, George Burr (1872-1949) United States of America. Geological Survey.
Stose, George Willis (1869-1960) Jonas, Anna Isabel (1881-1974) United States of America. Geological Survey.
Richardson, G. B. (1872-1949) United States of America. Geological Survey.
Butts, Charles (1863-1946) Moore, Elwood S. (1879-1966) United States of America. Geological Survey.
Bascom, Florence (1862-1945) Stose, George Willis (1869-1960) United States of America. Geological Survey.
Knopf, Eleanora Frances Bliss (1883-1974) Jonas, Anna Isabel (1881-1974) Stany Zjednoczone. Geological Survey