Specimens (2) Socialites (2) Samples (Commerce) (2) Elite (Social sciences) (2) Celebrities (2) Bark (2) Training of (2) Élites (2) Spécimens (2) Formation (2) Échantillons (commerce) (2) Écorces (2) Célébrités (2) Élite (sciences sociales) (2) Classes dirigeantes (2) Distances, etc (1) Development (1) Deterioration (1) Seedlings (1) Varieties (1) Assaying (1) Prevention (1) Diseases (1) Observations (1) Methods (1) Observations (1) Microscopes (1) Xylem (1) Wood (1) Wealth (1)