A description of the Mulready Envelope, and of various imitations and caricatures of its design with an account of other illustrated envelopes of 1840 and following years
Evans, Edward Benjamin.
Wakefield S.R. Publishers London Gibbons
1970
Facsimile reprint of 1st ed., London: Gibbons, 1891
Mulready, William.
Covers (Philately)