Via Merck Sharp & Dohme Corp. (free to all).
Archives
Evaluation of Biomarkers and Surrogate Endpoints in Chronic Disease, Institute of Medicine, 2010
Via The National Academies Press (free to all).
Fasting Cure, Upton Sinclair, 1911
Via Soil and Health Library (free to all).
English Botany, James Smith, 1849
Via Internet Archive (free to all).
Herb Lore, Fong Wan Herb Company, 1936
Via Internet Archive (free to all).
Health Via Food, William Hay, 1891
Via Soil and Health Library (free to all).
Cardiology Explained, Euan Ashley and Josef Niebauer
Via National Center for Biotechnology Information (free to all).
Diagnosis from the Eye, Henry Edward Lane, 1904
Via Internet Archive (free to all).
Developmental Biology, 6th ed., Scott F. Gilbert
Via National Center for Biotechnology Information (free to all).
Definitive Cure of Chronic Constipation, Arnold Ehret, 1922
Via Soil and Health Library (free to all).