We're starting to collect and display when MPs sign open letters outside Parliament - if there are examples we're missing, please let us know.
Showing open letters signed in the last year.
Note for journalists and researchers: The data on this page may be used freely, on condition that TheyWorkForYou.com is cited as the source.
This data was produced by TheyWorkForYou from a variety of sources.
For an explanation of the vote descriptions please see our page about voting information on TheyWorkForYou.
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