Furniture for the 21st Century / Betty Norbury.- Hertford : Stobart Davies, c1999.- 192 p. : ill. color. ; 28 cm.

What wood is that? : a manual of wood identification / Herbert L. Edlin, B, Sc. Forestry.- Hertford : Stobart Davies, 1977.- 160 p. ; ill. ; 23 cm.