- Allen TF — A compiled symptom record drawing on proving reports and other named observations.
“Oxalic acid, C2H2O4. Preparation , Triturations. Authorities. (Nos. 1 to 11 , and 14 to 16 , inclusive, from Hering, Amer. Arzneipf.).”
- Boericke — The quick clinical read — keynotes, modalities and the conditions it is actually prescribed in.
“Sorrel Acid Although certain oxalates are constant constituents of vegetable food and of the human body, the acid itself is a violent poison when taken internally, producing gastro-enteritis, motor paralysis, collapse, stupor and death. Influences the spinal cord, and produces motor paralysis. Pains very violent, in…”
- Boger (GA) — Which general headings this remedy belongs under — the analytical scaffolding.
“ANGINA PECTORIS FLATULENCE, Right MOTTLED, patchy, etc. (Comp. Spots.) SHOOTING, darting like lightening, quick pains”
- Boger (Syn) — Generals and modalities in a short analytical portrait rather than a symptom list.
“Digestive tract. Navel. Nerves: Cord. Heart. Left side; Lung. Thinking of it. Cold. Touch. Shaving. Mental exertion. After stool. Weak, cold, livid and numb all over; < lower limbs. Violent pains; in streaks, like lightning, in spots, burning, etc. Neuralgia. .................... Nervous and sleepless. Swimming…”
- Clarke — The widest entry — sources, provings, clinical uses, relationships and antidotes in one place.
“Oxalic Acid. Hydrogen Oxalate. C 2 H 2 O 4 2 H 2 O. Trituration. Tincture. Angina pectoris / Back, pain in / Chest, affections of / Cholera infantum / Convulsions / Deltoid rheumatism / Enuresis / Eyes, affections of / Gastrodynia / Gout / Gravel / Hernia / Indigestion / Meningitis / Myelitis / Nails, blue / Neuralgia…”
- Hering — Graded symptoms, each weighted by how often provers and practice confirmed it.
“Sorrel Acid. H 2 C 2 O 4 , 2 H 2 O. Introduced by Neidhard in 1844 ; by Reil in 1851. Provings by Koch, Neidhard, Dubbs, Smith, Floto, Williamson, Kitching, Hering, Reil, Honigberger, Pehrson and Gosewich. See Hering's Amerikanische Arznei Prüfungen. Toxicological reports are numerous. CLINICAL AUTHORITIES. Pain in…”
- Hughes & Dake — The source evidence — provings and poisonings retained with their experimental context.
“ACIDUM OXALICUM. Oxalic acid, HjC^O^. Acid principle of sorrel and other plants: prepared on large scale by action of caustic alkalies on sawdust. I. Provings. — I. Reil, mt, 29, in good health and of simple habits. Made concentrated solution of acid in distilled water at 60^, it rontained gr, 50 to 5vriJ, From this…”
- Kent — The mental and general picture — how Kent organizes the remedy’s historical symptom portrait.
“This remedy has been greatly neglected. It will cure many heart complaints that are treated with vague, crude, unproved remedies with indifferent results. The violent action upon the heart racks the whole system. Trembling, convulsions, loss of sensation; numbness of the body and limbs; blueness of the lower limbs…”
- Lippe (MM) — The strict Hahnemannian reading — the symptom picture without clinical interpretation.
“Great cheerfulness and clearness of mind. Thinking of his ailments aggravates them. A version to talk; with headache, fulness in the face. Vertigo, with weakness and thirst; anxiety; headache and perspiration. Vertigo while looking out of the window; when rising from a seat. Vertigo, like swimming, on lying down…”