Silkworms, Non-mulberry (2) Silkworms (2) Silk (2) Nineteenth century (2) Hand (2) Ability (2) Transmission (2) Seda (2) Manos (2) Compétence (2) Vers à soie (2) Aptitude (2) Transmission (2) Dix-neuvième siècle (2) Main (2) Soie (2) XIXe siècle (2) transmission (2) Italie (1) Département du Nord (1) Iran (République islamique de) (1) Development (1) Varieties (1) Breeding (1) Desk pads (1) Communication (1) Interviews (1) Derivatives (1) Mark, German (1) Worms (1)