9 found
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  1.  12
    Notes and Correspondence.Herbert Goldstein, Erika von Erhardt-Siebold, George Sarton, Richard Schoenwald & I. Cohen - 1951 - Isis 42:41-46.
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  2.  8
    Queries and Answers.Genevieve Miller, H. Collier, Erika von Erhardt-Siebold & George Sarton - 1944 - Isis 35:331-333.
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  3.  12
    Queries and Answers.Genevieve Miller, H. Bruce Collier, Erika von Erhardt-Siebold & George Sarton - 1944 - Isis 35 (4):331-333.
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  4.  19
    Remarks on the Theory of Temperaments.George Sarton & Erika von Erhardt-Siebold - 1943 - Isis 34:205-208.
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  5.  20
    Remarks on the Theory of Temperaments.George Sarton & Erika von Erhardt-Siebold - 1943 - Isis 34 (3):205-208.
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  6.  13
    An English 13th Century BestiarySamuel A. Ives Hellmut Lehmann-Haupt.Erika von Erhardt-Siebold - 1943 - Isis 34 (4):366-367.
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  7.  17
    Archimedes' Sand-Reckoner: Aristarchos and Copernicus.Rudolf von Erhardt & Erika von Erhardt-Siebold - 1942 - Isis 33 (5):578-602.
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  8.  30
    The Helix in Plato's Astronomy.Rudolf von Erhardt & Erika von Erhardt-Siebold - 1942 - Isis 34 (2):108-110.
  9.  7
    Archimedes' Sand-Reckoner: Aristarchos and Copernicus.Rudolf von Erhardt & Erika von Erhardt-Siebold - 1941 - Isis 33:578-602.