TY  - JOUR
T1  - Extract of a Letter of Thomas Barker, Esq; To the Reverend James Bradley, D. D. Astronomer Royal, and F. R. S. concerning the Return of the Comet, Expected in 1757, or 1758
JF  - Philosophical Transactions (1683-1775)
VL  - 49
SP  - 347
EP  - 350
PY  - 1755/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1755.0058
M3  - doi:10.1098/rstl.1755.0058
AU  - Barker, T.
ER  -