- Benecke, Wilhelm, 1868- (2)
- Jost, Ludwig, 1865- (2)
- Fitting, Hans (1)
- Newth, G. S. (1)
- Robinson, W. (William), 1838-1935 (1)
- Strasburger, Eduard, 1844-1912 (1)
- Thomson, W. P. (1)
- Vilmorin-Andrieux et cie (1)
- Waksman, Selman A. (Selman Abraham), 1888-1973 (1)