TY - JOUR T1 - An Essay upon the Natural History of Whales, with a Particular Account of the Ambergris Found in the Sperma Ceti Whale. In a Letter to the Publisher, from the Honourable Paul Dudley, Esq; F. R. S. JF - Philosophical Transactions (1683-1775) VL - 33 SP - 256 EP - 269 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1724.0053 M3 - doi:10.1098/rstl.1724.0053 AU - Dudley, P. ER -