Tipo	Título	Autor	Edición	Disponibilidad	Valoración
Libro	European floristic and taxonomic studies : B.S.B.I. Conference Report No. 15, a conference held in Cambridge, 29 June to 2 July 1974	Walters, S. M. (Stuart Max), ed.	(c1975)	Domicilio	----------
Libro	The European garden flora : A manual for the identification of plants cultivated in Europe, both out-of-doors and under glass	Walters, S. M. (Stuart Max), ed.	(1986) (1989) (1984)	Domicilio	----------