Asia, about 30 books/works including Postage Stamps of the Philippines by J. Murray Bartels a.o. (Madison 1904, limited ecition of 350 copies), A Handbook on Gwalior Postal History and Stamps by V.K. Gupta (Delhi 1980), The Imperial Post Offices of British India by Mohini Lal Mazumdar (Calcutta 1990) and The Struggle for Indonesian Independence by Indra Kusama (Surabaya 2014)
