Slogan postmarks of the ninetiesCyril R. H. Parsons, Cyril R.H. Parsons, Colin G. Peachey, George R. Pearson · First published 1995Open the Tome
In-depth UK Slogan Postmark ListingsColin G. Peachey · First published 1996 · Latest edition 1997Open the Tome
Special Event Postmarks of the United KingdomGeorge R. Pearson, Alan Finch, Colin G. Peachey · First published 1984Open the Tome
