10.500 years old chared fruit stone fragments of Canarium fruit as food remains excavated in the Hoabinhian cave of Con Mong (Thanh Hoa, Vietnam)

The Pham Huy Thong Museum with it's laboratories in Yen Hung (Quang Ninh)

A Dongsonian ramie cloth with colored band by indigo deyed hemp fibres

PEG-treating in conservating a dongsonian dugout log coffin of 2300 years old

H'mong cloth with batik decoration (H'mong textile study)