LC control no. | n 85801420 |
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Personal name heading | Sorgenfrei, Theodor, 1915- |
Found in | LCCN 62-51307: International Geological Congress (21st : 1960 : Copenhagen, Denmark). Report of the twenty-first session, 1960-64 (hdg.: Sorgenfrei, Theodor, 1915- ; usage: Theodor Sorgenfrei) LC data base, 2-13-85 (hdg.: Sorgenfrei, Theodor, 1915- ) |