The new version of the website is under development.

The current version is a product of the 2000 exhibition (B.E. 2543),
“TANG CHANG THE ORIGINAL, THE ORIGINAL TANG CHANG!”
Artist’s Collection of 400 Selected Self-Portraits (1954 – 1987)
21 March – 9 April 2000 at The Mercury Art Gallery, Plernchit, Bangkok.

This content was previously published on tangchang.com.
As of now, www.tangchang.com has ceased operations.
Subsequently, the content has been re-published by the artist's descendants on the website www.tangchangmuseum.com.