skos:altLabel | - Gray
- Pfeiffer
- (Pfeiffer
- Dr. Louis Pfeiffer
- L. Pfeiffer
- L. Pfeiffer, 1848
- Louis (Ludwig) Karl Georg Pfeiffer
- Louis Pfeiffer
- Ludwig K.G. Pfeiffer
- Ludwig Karl Georg
- Ludwig Karl Georg Pfieffer
- Ludwig Pfeiffer
- Pfeiff
- Pfeiff.
- Pfeiffer L.
- Pfeiffer L. K. G.
|