Potters new cyclopaedia of medicinal herbs and preparations
Wren, R.C.
Potters new cyclopaedia of medicinal herbs and preparations
[by] R.C. Wren re-edited and enlarged by R.W. Wren; foreword by T.E. Wallis
- Enl. ed.
- New York : Harper and Row Publishers , 1972
- xiv, 378p ; 20cm