The Postage Stamps of Great Britain. By Fred J. Melville. _London_, 1904. ⁂ Eight plates. The Postage and Telegraph Stamps of Great Britain. By F. A. Philbrick and W. A. S. Westoby. _London_, 1881. The Postage Stamps of the United Kingdom, 1840-90. By W. A. S. Westoby. 2nd ed. _London_, 1892. Standard Priced Catalogue of the Stamps and Postmarks of the United Kingdom. By H. L. Ewen. 6th ed. _London, S. E._, 1898. GREECE. Les Emissions des Timbres Grecs. By Georges Brunel. _Paris_, 1909. Die Postmarken von Griechenland. By A. E. Glasewald. _Gössnitz_, 1886-96. ⁂ Plates. Die Postwerthzeichen von Griechenland. By A. E. Glasewald. _Gössnitz_, 1896. The Stamps of Greece. By W. D. Beckton and G. B. Duerst. _Manchester_, 1897. ⁂ Three plates. GRENADA. Grenada. By E. D. Bacon and F. H. Napier. _London_, 1900. ⁂ Nine plates. GRIQUALAND. The Stamps of Griqualand West. By F. H. Napier. _Manchester_, 1903. ⁂ Two plates. HAMBURG. Die Briefumschläge von Hamburg und Bremen. By C. Lindenberg. _Berlin_, 1894. Hamburg (in German). By O. Rommel and H. Krötzsch. _Leipzig_, 1893-6. Die Postwerthzeichen von Hamburg. By E. Heim. _Wien_, 1880. Les Timbres de Hambourg. By G. Brunel. _Paris_, 1911. HANOVER. Die Briefumschläge von Hannover. By C. Lindenberg. _Berlin_, 1895. Hannover (in German). By H. Krötzsch. _Leipzig_, 1893. ⁂ Nine plates. HAWAIIAN ISLANDS. Descriptive Catalogue of the Postage Stamps of Hawaii. By W. M. Giffard. _Honolulu_, 1893. Hawaiian Numerals. By Henry J. Crocker. _San Francisco_, 1909. ⁂ Twenty-two plates. History of the Postal Issues of Hawaii. By Brewster C. Kenyon. _Long Beach, Cal._, 1895. ⁂ Eight plates. Postage Stamps of the Hawaiian Islands in the Collection of Henry J. Crocker, of San Francisco. By Fred J. Melville. _London_, 1908. ⁂ Eight plates. HAYTI. The Postage Stamps of Hayti. By Fred J. Melville. _London_, 1905. HELIGOLAND. Heligoland et ses timbres. By J. B. Moëns. _Bruxelles_, 1897. Originaux et Réimpressions de Héligoland. By A. Wulbern. _Bruxelles_, 1911. ⁂ Two plates. HOLLAND AND COLONIES. De Afstempelingen voorkomende op de Postzegels van Nederland. By Schreuders & Co. _s'Gravenhage_, 1897. ⁂ Twelve plates. Beschrijving van alle Nederlansche Postzegels. [Nederlandsche Vereeniging van Postzegel-verzamelaars.] _Amsterdam_, 1894-5. ⁂ Part I. deals with Holland; II., Dutch Indies; III., Surinam; IV., Curaçao. Holland. By Fred J. Melville. _London_, 1909. Perforations Galore. By A. H. Warren. _London_, 1910. ⁂ Plates. HONG KONG. Descriptive Catalogue of the Postage Stamps and Cards issued by the Hong Kong Post Office. By J. Mencarini. _Amoy (China)_, 1898. The Postage Stamps of Hong Kong. By B. W. H. Poole. _London_, 1908. HUNGARY. Die Wasserzeichen der Ungarischer Postwerthzeichen. By Dr. S. Lengyel. _Leipzig_, 1890.