De Graaff bros co.: Montbretia and gladiolus hybrids. De Graaff bros co.: Montbretia and gladiolus hybrids.
De Graaff bros co.
Montbretia and gladiolus hybrids.
Noordwijk, [ca. 1930], pp. 7, mounted colour-plates, 8vo (137 x 215 mm), lettered wrappers (library stamps and numeral).
35