Ardussi, John (2004) The gDung Lineages of Central & Eastern Bhutan - A Reappraisal of their Origin, Based on Literary Sources. In: The Spider and the Piglet: Proceedings of the First Seminar on Bhutan Studies. Thimphu, Centre for Bhutan Studies 2004, pp. 60-72 . ISBN 99936-14-19-X
Gandolfo, Romolo (2004) Bhutan and Tibet in European Cartography (1597-1800). In: The Spider and the Piglet: Proceedings of the First Seminar on Bhutan Studies. Thimphu, Centre for Bhutan Studies 2004, pp. 90-136 . ISBN 99936-14-19-X
Vitali, Roberto (2004) Glimpes of the History of the Rgya Clan with Reference to Nyang Stod, Lho Mon and Nearby Lands (7th-13th Century). In: The Spider and the Piglet: Proceedings of the First Seminar on Bhutan Studies. Thimphu, Centre for Bhutan Studies 2004, pp. 6-20 . ISBN 99936-14-19-X