I. A letter from Mr Anthony van Leeuwenhoek, F. R. S. containing his observations upon the seminal vessels, muscular fibres, and blood of whales
Philosophical transactions (Royal Society (Great Britain) : 1683), 1710-12, Vol.27 (334), p.438-446Scanned images copyright © 2017, Royal Society ;ISSN: 0260-7085 ;ISSN: 0261-0523 ;EISSN: 0260-7085 ;EISSN: 2053-9223 ;DOI: 10.1098/rstl.1710.0044
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