A century of trade marks :  a commentary on the work and history of the Trade Marks Registry, which celebrates its centenary in 1976 / 
the Patent Office, Department of Trade [Trade Marks Registry] ; [prepared by R.L. Moorby with assistance from D.G.A. Myall and F.J. Ward Dyer]. 
 - London :  H.M.S.O.,  1976. 
 - iv,56p. 
<br/><br/><label>ISBN: </label>0115117199 (pbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trade marks--History.--Great Britain