Fünfzehnter Jahresbericht der Dr. Steffan'sche Augen-Heilanstalt in Frankfurt am Main.
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Fünfzehnter Jahresbericht der Dr. Steffan'sche Augen-Heilanstalt in Frankfurt am Main. Credit: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London). Public Domain Mark