The Brusden White Australian States Federal Period 1901-1912 is a comprehensive philatelic reference that meticulously documents the postage stamps issued by the Australian states during the federal period, spanning from 1901 to 1912. This edition serves as an indispensable guide for collectors, historians, and enthusiasts interested in exploring the rich postal history of Australia during its early years as a federated nation. This edition stands as a valuable resource for those passionate about Australian philately, offering a nuanced exploration of the stamps that played a crucial role in shaping the nation's postal identity during its formative years.