John Henry Twachtman | American Impressionist | Spanierman Gallery LLC. John Henry Twachtman Catalogue Raissone - Begun in 1987, the John Twachtman catalogue raisonn is currently in the final stages of compling data on this important American Impressionist's oeuvre (with the exception of his etchings). We urgently encourage those with works by the artist to contact us as soon as possible as our publication deadlines will soon foreclose future submissions. Johnhtwachtman.com~Site InfoWhoisTrace RouteRBL Check
