1610 is given as the median date for works published posthumously in 1633 but composed variously from 1590 onwards.
See our People Table entry on John Donne.
Reid, David. "The Progress of the Soul: Metempsychosis". The Literary Encyclopedia. First published 18 December 2002
[http://www.litencyc.com/php/sworks.php?rec=true&UID=10678, accessed 24 May 2017.]