Bibliografía (13 obras)
The Work of Jean de Sperati II Including Previously Unlisted Forgeries
2001
The Watson postcards
1990
The De La Rue punch book
1987
The Oswald Schröder forgeries
1981
Newspaper postage stamps
1980
Ireland 1922-1972
1972
The British postage stamp
1968
The Codrington correspondence 1743-1851
1951
Masterpieces of engraving on postage stamps, 1840-1940.
1943
Handstruck postage stamps of the empire, 1680-1900
1937
The regent catalogue of Empire postage stamps (priced)
1936
The regent encyclopeadia of Empire postage stamps
1935
The romance of the Empire posts
1900
