000 00704nam a22000977a 4500
008 170130b xxu||||| |||| 00| 0 eng d
100 _aMuir, Douglas
245 _aPostal reform and the Penny Black
260 _aLondon
_bNational Postal Museum
_c1990
650 _aGreat Britain | Postal History | 19th Century | 18th Century | 17th Century | Postal Service | Postal Laws and Regulations | Postal Rates | Stamps -- Histories | 1840 | Penny Black | Postal Stationery | Mulready Envelope | Mulreadies (Philately) | Mulready, William, 1786-1863. | Designs | Designs -- Unaccepted | Essays and Proofs | Production | Printers | Artists and Designers | Engravers | Post Offices | Post Office Equipment | Postal Markings
999 _c2233
_d2233