| 
 | 
 J. Morph., 4, 57-116, 1890 – 1891.
Includes description of “Howell’s bodies” seen in mature erythrocytes and called also “Howell–Jolly bodies” after the later description by J. M. J. Jolly. 
  
Subjects: HEMATOLOGY 
 | 
| 
 | 
 Amer. J. Physiol., 15, 280-94, 1905 – 1906.
Howell suggested that nerve impulses act indirectly by increasing the amount of diffusible potassium compounds in the heart tissue. 
  
Subjects: NEUROSCIENCE › NERVOUS SYSTEM › Chemical Mediation of Nervous Impulses 
 | 
| 
 | 
 Amer. J. Physiol., 17, 273-79, 1906.
Demonstration of the presence of amino-acids in the blood. 
 
  
Subjects: BIOCHEMISTRY, HEMATOLOGY 
 | 
| 
 | 
 Amer. J. Physiol. 26, 453-73, 1910.
  
Subjects: HEMATOLOGY › Anticoagulation, HEMATOLOGY › Coagulation  
 | 
| 
 | 
 Amer. J. Physiol., 29, 187-209, 1911 – 1912.
  
Subjects: HEMATOLOGY › Anticoagulation, HEMATOLOGY › Coagulation  
 | 
| 
 | 
 Amer. J. Physiol., 47, 328-41, 1918 – 1919.
  
Subjects: HEMATOLOGY, HEMATOLOGY › Anticoagulation 
 |