http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
cross of Mut. Cat. Lab. B. with Mut. Cat. Lab. A. (Mutant of Cattleya Labiata Bx Mutant of Cattleya Labiata A.)
43 pages : frontispiece, facsimiles, diagram (folded)
Creation of a special research institute ... open letter to the Royal horticultural society of London ... My activity as a practical worker ...