The Marqvesse of Argyle, his speech concerning the King, the covenant, and peace or warre betweene both kingdomes also a letter to the Parliament of England from Mr. Marshall, some votes past in Scotland, and the particular parties which would engage against England, and who are against it - Argyll, Archibald Campbell (Printed by Barnard Alsop, 1648)
Letter signed: J.M. - Reproduction of original in Thomason Collection, British Library. - Wing, A3667