Ueber den chemischen und optischen Eigenschaften des Blutfarbstoffs.

Hoppe-Seyler obtained hemoglobin in crystalline form and made other important discoveries in hematology. See also No. 870.

See Frederic L. Holmes, "Crystals and carriers: The chemical and physiological identification of hemoglobin," In: No
truth except In the details. Essays in honor of Martin J. Klein. Edited By A. J. Kox & Daniel M. Siegel (1995) 191-244.