TY - JOUR T1 - A Letter of Sir R. S. concerning the Former Relation. Lond. March 8th. 168 JF - Philosophical Transactions (1683-1775) VL - 14 SP - 521 EP - 522 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1684.0015 M3 - doi:10.1098/rstl.1684.0015 AU - S., R. ER -