The guiding symptoms of our materia medica
by Constantine Hering, C. G. Raue, Calvin B. Knerr, Charles Mohr
HomeopathyMateria medica and therapeuticsMateria Medica
Writing a summary for young readers…
For young readers
Book data: Open Library
by Constantine Hering, C. G. Raue, Calvin B. Knerr, Charles Mohr
Book data: Open Library