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Opuscula selecta Neerlandicorum de arte medica. Fasciculus nonus quem curatores miscellaneorum quae vocantur Nederlandsch Tijdschrift voor Geneeskunde.

JAMA. 1932;98(9):759. doi:10.1001/jama.1932.02730350073032.
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In the preface, G. van Rijnberk describes how it has come about that certain of the earliest scientific letters of van Leeuwenhoek, the great microscopist, 1632-1732, which were thought to be lost, at length came to light. E. C. van Leersum reviews the letters of van Leeuwenhoek, "the pioneer of the microscope," on his varied observations to the Royal Society in London. Clifford Dobell, who was the first to draw attention to the existence of the letters published in this volume, contributes a valuable historical and bibliographic notice. J. G. de Lint writes an interesting chapter about the portraits of van Leeuwenhoek, a sturdy figure, some of which are reproduced at the end of the volume. The original Dutch text and the English translation of the hitherto unpublished letters by van Leeuwenhoek forms the main part of the book. There are facsimile reproductions of several of the letters and also


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