Vambola Hurt

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
Estonia: Philately & postal history: handbook, catalogue = Estland: Philatelie & Postgeschichte, Handbuch, Katalog	978-91-781O-545-8 (91-781O-545-5)	1986	Elmar Ojaste